amal najihah muhamad nor, saiful arif abdullah.  (2019).  developing urban green space classification system using multi-criteria: the case of kuala lumpur city, malaysia.  - journal of landscape ecology.  16-36. 

woon hang lee, saiful arif abdullah.  (2019).  framework to develop a consolidated index model to evaluate the conservation effectiveness of protected areas.  - ecological indicators.  131-144. 

lee woon hang, saiful arif abdullah, shukor md nor.  (2019).  land use and landscape pattern changes on the inside and outside of protected areas in urbanizing selangor state, peninsular malaysia.  - journal of landscape ecology.  41-63. 

mohammad imam hasan reza, saiful arif abdullah, shukor bin md. nor, mohd hasmadi ismail.  (2018).  landscape pattern and connectivity importance of protected areas in kuala lumpur conurbation for sustainable urban planning.  - international journal of conservation science.  . 

farah shafawati mohd-taib, shukor md-nor, saiful arif abdullah.  (2016).  implications of patch size and landscape matrix towards native-forest bird species in fragmented forests.  - malaysian applied biology journal.  55-63. 

abdullah s.a..  (2016).  quantifying forest fragmentation spatial process in the developing state of selangor, peninsular malaysia.  - journal of land use science.  294-309. 

s.m. mijan uddin, a.t.m. rafiqul hoque, saiful arif abdullah.  (2014).  the changing landscape of mangroves in bangladesh compared to four other countries in tropical regions.  - journal of forestry research.  25(3): 605-611. 

mohammad imam hasan reza, saiful arif abdullah, shukor md nor, mohd hasmadi ismail.  (2013).  integrating gis and expert judgment in a multi-criteria analysis to map and develop a habitat suitability index: a case study of large mammals on the malayan peninsula.  - ecological indicators.  34:149-158. 

sybil p. seitzinger, uno syedin, carole l. crumley, will steffen, saiful arif abdullah, christine alfsen, wendy j. broadgate, frank biermann, ninad r. bondre, john a. dearing, lisa deutsh, shobhak.  (2012).  planetary stewardship in an urbanizing world: beyond city limits.  - ambio.  41:787-794. 

reza, m.i.h., abdullah, s.a..  (2011).  regional index of ecological integrity: a need for sustainable management of natural resources.  - ecological indicators.  11(2):220-229. 

saiful arif abdullah and nobukazu nakagoshi.  (2008).  changes in agricultural landscape pattern and its spatial relationship with forestland in the state of selangor, peninsular malaysia.  - landscape and urban planning.  87(2):147-155. 

saiful arif abdullah, adnan a. hezri.  (2008).  from forest landscape to agricultural landscape in the developing tropical country of malaysia: pattern, process and their significant on policy.  - environmental management.  42:907-917. 

rahman m.m., ariffin a.k., abdullah s., rosli a.b..  (2007).  effect of nitriding treatment on fatigue life for free piston linear engine component using frequency response method: a finite element approach.  - sdhm structural durability and health monitoring.  3(4):197-209. 

saiful arif abdullah and nobukazu nakagoshi.  (2007).  forest fragmentation and its correlation to human land use change in the state of selangor, peninsular malaysia.  - forest ecology and management.  241(1-3):39-48.