Ping, L., 		Ameer Hamza, I., 		Abdullah, R., 		Yasin, M., 		Sooria, S., & 		Bee, L.
(2020).
 The Effectiveness Of Lesson Study On Differentiated Instruction Among Mathematics Head Panels In District Of Port Dickson.
<em>Postulat :  Jurnal Inovasi Pendidikan Matematika, 1</em>(2), 205-216.
doi:10.30587/postulat.v1i2.2124