mohd hairi mohd zaman, seri mastura mustaza, mohd faisal ibrahim, mohd asyraf zulkifley, m marzuki mustafa.  (2022).  weed classification based on statistical features from gabor transform magnitude.  - 2021 international conference on decision aid sciences and application (dasa).  147-151. 

muhammad fauzi mohd raihan, syukri zamri, mohd hairi mohd zaman, m marzuki mustafa.  (2022).  failure region estimation of the linear voltage regulator using model-based approach.  - 2021 international conference on decision aid sciences and application (dasa).  489-495. 

syukri zamri, mohd hairi mohd zaman, asraf mohamed moubark, ahmad asrul ibrahim, mohd hafiz baharuddin.  (2022).  phase margin estimation of linear voltage regulator using noninvasive stability measurement and optimized regression.  - 2022 ieee 18th international colloquium on signal processing & applications (cspa 2022).  316-319. 

asraf mohamed moubark, luzhen nie, mohd hairi mohd zaman, mohd asyraf zulkifley, sawal hamid md ali, steven freear.  (2021).  selection of excitation signals and acoustic pressure measurement for in-vivo studies with ultrasound array research platform ii.  - iop conference series: materials science and engineering.  1-9. 

mohd hairi mohd zaman, mohd faisal ibrahim, asraf mohamed moubark.  (2021).  dimensional optimization of 4-dof robot manipulator using artificial bee colony algorithm.  - 2021 international conference on electrical engineering and informatics (iceei).  1-4. 

mohd farhan mohd ali, ahmad asrul ibrahim, mohd hairi mohd zaman.  (2021).  optimal sizing of solar panel and battery storage for a smart aquaponic system.  - 2021 ieee 19th student conference on research and development (scored).  186-191. 

asraf mohamed moubark, mohd hairi mohd zaman, mohd asyraf zulkifley, sawal hamid md ali, luzhen nie, steven freear.  (2021).  despeckling ultrasound b-mode images denoised by a new unsharp masking method for improved cyst segmentation.  - 2020 ieee-embs conference on biomedical engineering and sciences (iecbes).  178-182. 

mohd hairi mohd zaman, m marzuki mustafa and aini hussain.  (2015).  black-box modeling of low dropout voltage regulator based on two-port network parameter identification.  - 2015 ieee 11th international colloquium on signal processing & its applications (cspa2015), 6-8 march 2015, kuala lumpur, malaysia.  70-75. 

yushaizad yusof, mohd faiz md adnan, ralf guenther, mohd hairi mohd zaman, ahmad asrul ibrahim dan afida ayob.  (2014).  li-ion battery pack charging process and monitoring in electric vehicle.  - applied mechanics and materials.  504-509. 

ain hidayu musa, mohd hairi mohd zaman, ramizi mohamed and m marzuki mustafa.  (2014).  characterization of voltage regulators by automated equivalent series resistance.  - 2014 ieee conference on systems, process and control (icspc 2014).  74-78. 

m.h. mohd zaman, m.m. mustafa, and a. hussain.  (2011).  improving low pass filtered speech intelligibility using nonlinear frequency compression with cepstrum and spectral envelope transformation.  - 5th kuala lumpur international conference on biomedical engineering 2011 (ifmbe proceedings).  .