Ping, Lau, 		Ameer Hamza, Ilda Salwani, 		Abdullah, Ruzihan, 		Yasin, Murni, 		Sooria, Suzalin, AND 		Bee, Lee.
" The Effectiveness Of Lesson Study On Differentiated Instruction Among Mathematics Head Panels In District Of Port Dickson" <em>Postulat :  Jurnal Inovasi Pendidikan Matematika</em> [Online], Volume 1 Number 2 (17 December 2020)