mohd yusof hj othman, kamaruzzaman sopian, mohd hafidz ruslan, sohif mat & suhaila abdul hamid.  (2018).  evolution of photovoltaic thermal hybrid solar technology for the tropics a case study of malaysia.  - world renewable energy congress wrec xviii renewable energy & sustainable buildings are the best solution for climate change.  . 

chan hoy yen;mohd hafidz bin haji ruslan;ahmad fudholi.  (2018).  development of an innovative low cost construction material from recycled autoclaved aerated concrete (aac) waste powder for low energy architectures.  - .  . 

mohd hafidz bin haji ruslan;mohd. yusof bin hj. othman;kamaruzzaman sopian;zahari bin ibarahim;nilofar asim.  (2018).  kajian pemindahan haba oleh aliran udara pada pengumpul fotovoltan terma (pvt) dengan penyerap konfigurasi z.  - .  . 

sohif bin mat, kamaruzzaman sopian, mohd hafidz bin haji ruslan, mohamad yusof bin sulaiman, elias @ ilias bin salleh, lim chin haw.  (2015).  high efficiency evacuated solar collector incorporating an integrated absorber phase change materials storage system.  - .  . 

mohd asri bin mat teridi, kamaruzzaman sopian, norasikin binti ahmad ludin, mohamad yusof bin sulaiman, mohd hafidz bin haji ruslan.  (2015).  heterojunction of p-type semoconductor solar cells based on nio as photocathode.  - .  . 

elias @ ilias bin salleh, mohd hafidz bin haji ruslan, kamaruzzaman sopian, sohif bin mat.  (2015).  development of solar assisted solid desiccant drying system for kenaf industry.  - .  . 

mohammad ahmed moh`d alghoul, kamaruzzaman sopian, mohd. yusof bin hj. othman, mohd hafidz bin haji ruslan.  (2015).  cooling characteristics of underground chilled storage system for low energy house in malaysia.  - .  . 

kamaruzzaman sopian, mohd hafidz bin haji ruslan, mohammad ahmed moh`d alghoul, lim chin haw, sohif bin mat.  (2014).  publication related to experimental & simulation studies on advanced solar thermal system for low temperature industrial process heat applications.  - .  . 

chan hoy yen, mohd hafidz bin haji ruslan, kamaruzzaman sopian.  (2014).  development of jet absorber solar collector for air heating.  - .  . 

mkm ali, mh ruslan, j sulaiman and sm yasir.  (2014).  optimization on process condition of refined carrageenan (rc) produced from seaweed kappaphycus striatum using respond surface methodology (rsm) in malaysia.  - the 3rd international symposium on processing of foods, vegetables and fruits(ispfvf 2014).  . 

z a abdul majid, n hazali, m a k m hanafiah,a a abdullah,a f ismail, m,h ruslan, k sopian and m s mohd azmi.  (2012).  design and performance of 20 watts portable solar generator.  - 1st international conference in mechanical engineering research (icmer) 2011.  . 

f. hussain, z. anuar, s. khairuddin, m.y.h. othman, b. yatim, h. ruslan, k. sopian.  (2012).  comparison study of air-based photovoltaic / thermal (pv/t) collector with different designs of heat exchanger.  - world renewable energy forum 2012.  . 

mohd yusof hj othman, goh li jin, hafidz ruslan, kamaruzaman sopian.  (2012).  photovoltaic thermal (pv/t) air collector`s performance analysis.  - world renewable energy forum 2012.  . 

f. hussain, z. anuar, s. khairuddin, m.y.h. othman, b. yatim, h. ruslan, k. sopian.  (2012).  performance of a single pass air base photovoltaic / thermal solar collector with and without hexagonal honeycomb heat exchanger.  - world renewable energy forum 2012.  . 

m. yahya, k.sopian, m.y. theeran, m. y. othman, m.a. alghoul, m. hafidz and a. zaharim.  (2008).  analysis of double pass solar air heater with porous media.  - 2nd wseas/iasme international conference on renewable energy sources (res`08) corfu, greece.  . 

kamaruzzaman s, mohd yusof o, baharudin y, wan ramli w.d, yusoff a, zainol abidin a.r, shahrir a, zahari i, mohd hafidz r, mohd fauzi m.z, zuhairuse m.d, mastor s, mazlan m.t,..., wan mohd faizal w.m,.  (2004).  sustainable and environment friendly solar energy technologies research and development in universiti kebangsaan malaysia.  - national conference on engineering and technology (nacet 2004).  .