OBOR UMMAH Jejak Tokoh Agama Islam di Singapura Yazar: Persatuan Ulama dan Guru-guru Agama Islam Singapura (PERGAS) author 631836, Sundusia Rosdi compiler 631838, Firdaus Yahya editor 631839, Mohd. Yusri Yubhi Md. Yusoff editor 631840, Wan Hussin Zoohri editor 631841, Mohd. Raman Daud editor 631842, Rohayah Mohd. Lani editor 631843, Haslina Sabar researcher 631844, Norhafizah Azman researcher 631845