elwaleed awad khidir, mojahed osman mohammed ali, mohammed mustafa ali, mohd faizal bin mat tahir, rozli zulkifli.  (2014).  analysis of sound absorption of date palm fibers based on flow resistivity.  - applied mechanics and materials - 4th international conference on noise, vibration and comfort (nvc 2012).  285-290. 

elwaleed awad khidir, nik abdullah nik mohamed, mohd jailani mohd nor, mohd faizal mat tahir, rozli zulkifli, mohd zaki nuawi.  (2014).  effect of density on the sound absorption of date palm fibers.  - applied mechanics and materials.  437-441. 

mohd anas mohd sabri, mohd zaki nuawi, mohd faizal mat tahir, shahrum abdullah, abdul rahim bahari and firdaus mohamad hamzah.  (2014).  monitoring system of fuel injector using piezoelectric sensors, applied mechanics and materials.  - applied mechanics and materials.  223-228. 

n.s.s. selamat, mohd faizal mat tahir, rozli zulkifli, mohd jailani mohd nor, mohd anas mohd sabri, a.k. elwaleed, m.y. siti-munirah.  (2014).  development of semi-active panel design for sound absorption.  - applied mechanics and materials.  421-425. 

elwaleed awad khidir, nik abdullah nik mohamed, mohd jailani mohd nor, mohd faizal mat tahir and mohd zaki nuawi.  (2014).  a preliminary study on the sound absorption of self-facing date palm fibers.  - applied mechanics and materials / trans tech publications, switzerland.  . 

elwaleed awad khidir, nik abdullah nik mohamed, mohd jailani mohd nor, mohd faizal mat tahir, rozli zulkifli.  (2013).  experimental investigation of sound absorption properties of perforated date palm fibers panel.  - iop conference series: materials science and engineering (moime 2013).  . 

wan mohd faizal w.m., mohd anas m.s., mohd faizal m.t., azli a., rozli z., nordin j., sallehuddin m.h., rizauddin r., shahrum a., shahrir a. and azhari s..  (2012).  car body and chassis development of ukm carevo for perodua eco-challenge 2011.  - regional conference on automotive research, recar 2011;kuala lumpur (applied mechanics and materials).  . 

zulkifli, r., thye, t.k., tahir, m.f.m., ismail, a.r., nor, m.j.m..  (2012).  automotive noise insulation composite panel using natural fibres with different perforation areas.  - regional conference on automotive research, recar 2011;kuala lumpur (applied mechanics and materials).  . 

ahmad rasdan ismail, mohd jailani mohd nor, mohd faizal mat tahir, mohd radzi abu mansor, mohd zaki nuawi.  (2009).  comparative study of noise exposure to residental area at malaysia.  - 16th international congress on sound and vibration 2009, icsv 2009;krakow.  .