lee yee hui, dayang azra awang mat, dyg norkhairunnisa abang zaidel, kismet anak hong ping, shafrida sahrani.  (2022).  bandwidth enhancement of ultra-wideband monopole antenna designed with v-shaped defected ground structure.  - indonesian journal of electrical engineering and computer science.  849-858. 

xiang cheng, jun kit chaw, kam meng goh, tin tin ting, shafrida sahrani, mohammad nazir ahmad, rabi-ah abdul kadir and mei choo ang.  (2022).  systematic literature review on visual analytics of predictive maintenance in the manufacturing industry.  - sensors.  1-16.