weng hoe lam, weng siew lam, saiful hafizah jaaman, pei fun lee.  (2022).  bibliometric analysis of information theoretic studies.  - entropy.  1-13. 

weng siew lam; weng hoe lam; saiful hafizah jaaman.  (2021).  portfolio optimization with a mean-absolute deviation-entropy multi-objective model.  - entropy.  1-14. 

weng siew lam, weng hoe lam, saiful hafizah jaaman, kah fai liew.  (2021).  performance evaluation of construction companies using integrated entropy-fuzzy vikor model.  - entropy.  1-16. 

siti nazifah zainol abidin, saiful hafizah jaaman, munira ismail, ahmad syafadhli abu bakar.  (2020).  clustering stock performance considering investor preferences using a fuzzy inference system.  - symmetry.  1-15. 

suhailywati ramli, saiful hafizah jaaman.  (2020).  median-variance fuzzy with trapezoidal fuzzy numbers for portfolio selection model.  - advances and applications in statistics.  35-44. 

saiful hafizah jaaman, ong cae xinn, mohamad badrul ariff mahosi.  (2019).  financial performance evaluation of general insurance firms in malaysia via capital adequacy ratio (car) and grey relational analysis (gra) measurements.  - international journal of innovation, creativity and change.  1-16. 

lam weng siew, saiful hafizah jaaman and lam weng hoe.  (2019).  an enhanced mean-extended gini model in portfolio optimization with different level of risk aversion.  - asm science journal.  41-46. 

lam weng siew, saiful hafizah jaaman and lam weng hoe.  (2018).  enhanced index tracking model with entropy maximization.  - advances and applications in statistics.  . 

wang jianlong, saiful hafizah jaaman and humaida banu samsudin.  (2015).  empirical study on china stock market base on fama-french model.  - indian journal of science and technology.  1-9. 

saiful hafizah jaaman, weng hoe lam and zaidi isa.  (2014).  a new higher moment portfolio optimisation model with conditional value at risk.  - international journal of operational research.  451-465. 

yulia resti, noriszura ismail, saiful hafizah jamaan.  (2013).  estimation of claim cost data using zero adjusted gamma and inverse gaussian regression models.  - journal of mathematics and statistics.  9(3):186-192. 

saiful hafizah jaaman, rokiah rozita ahmad and azmin sham rambely.  (2013).  web-based learning as a tool of knowledge continuity.  - international education studies.  6(6):80-85. 

rambely, a. s., ahmad, r. r., majid n., m-suradi, n. r., din, u. k. s., a-rahman, i., mohamed, f., rahim, f. & abu-hanifah, s..  (2013).  project-based activity: root of research and creative thinking.  - international education studies.  6(6):66-71. 

jaaman, s.h., lam, w.h., isa, z..  (2013).  risk measures and portfolio construction in different economic scenarios.  - sains malaysiana.  42(6):875-880. 

nurfadhlina abdul halim, saiful hafizah jaaman@sharman.  (2013).  a validation of profit sharing ratio determination mathematical model for islamic hire purchase contract.  - applied mathematical sciences.  7(41):2035-2046. 

nurfadhlina abdul halim, saiful hafizah jaaman, noriszura ismail and rokiah ahmad.  (2012).  a profit sharing ratio modelling for an islamic hire-purchase contract.  - world applied sciences journal.  17: 54-59. 

nurfadhlina abdul halim, saiful hafizah jaaman, noriszura ismail and rokiah ahmad.  (2012).  a new dimension of profit-sharing ratio determination of aitab contract mathematical modelling using stochastic optimisation approach.  - journal of sustainability science and management.  7(2): 193-200. 

yulia resti, n. ismail, s.h. jaaman.  (2012).  mathematical modelling for claim severities using normal and t copulas.  - international journal of applied mathematics and statistics.  27(3):8-19. 

zieneb ali elshegmani, rokiah rozita ahmad, saiful hafiza jaaman, and roza hazli zakaria.  (2011).  transforming arithmetic asian option pde to the parabolic equation with constant coefficients.  - international journal of mathematics and mathematical sciences.  2011, Article ID 401547. 

zieneb ali elshegmani, rokiah rozita ahmed and saiful hafizah jaaman.  (2011).  on the modified arithmetic asian option equation and its analytical solution.  - applied mathematical sciences.  5(25-28):1217-1227. 

yulia resti, noriszura ismail and saiful hafizah jaaman.  (2010).  handling the dependence of claim severities with copula models.  - journal of mathematics and statistics.  6(2):136-142. 

noriszura ismail, zatul iradah abdul karim, saiful hafizah jaaman, noriza majid.  (2009).  frequency of admittance and probability of inpatient treatment: experience of emergency department, hospital universiti kebangsaan malaysia.  - european journal of social sciences.  8(1):76-87. 

siti mariyam shamsuddin, saiful hafizah jaaman, maslina darus.  (2009).  neuro-rough trading rules for mining kuala lumpur composite index.  - european journal of scientific research.  28(2):278-286. 

jaaman s.h., shamsuddin s.m., yusob b., ismail m..  (2009).  a predictive model construction applying rough set methodology for malaysian stock market returns.  - international research journal of finance and economics.  30:211-218.