haris hafizal abd hamid, mohd shahrul mohd nadzir, khai ern lee, alefee ayatillah, mohd talib latif, murnira othman.  (2023).  indoor level of btex and health risk assessment at science laboratories in a university.  - 4th international symposium on civil and environmental engineering (iscee 2022) iop conf. series: earth and environmental science.  1-8. 

mohd aftar abu bakar, noratiqah mohd ariff, mohd shahrul mohd nadzir, lau zhi ying.  (2023).  comparison of support vector regression (svr) kernel functions for predicting pm10 time series data in malaysia.  - 6th international conference on mathematical applications in engineering aip conference proceedings.  1-6. 

noratiqah mohd ariff, mohd aftar abu bakar, noor iffa hafizza zakaria, mohd shahrul mohd nadzir.  (2023).  relationship analysis between meteorological factors and concentration of air pollutants.  - 6th international conference on mathematical applications in engineering aip conference proceedings.  1-11. 

suparta w, ismail m, abdullah m, faruque m r i, khairul nizam abdul maulud, mohd shahrul mohd nadzir, mandeep singh jit singh, zamri zainal abidin,sabirin abdullah,teh wai leong, md firoz khan, islam m t, bahari s a, daud n m.  (2017).  2017 international conference on space science and communication.  - 2017 international conference on space science and communication.  1-337.