Efendi, Ulfah Putri and Wibowo, Setiawan Edi and Sartono, Emmanuel Kus Eddy and Lena, Mai Sri  (2024) The Effectiveness of Differentiated Instruction in Elementary School Subject: Teachers’ Perceptions.  Jurnal Pendidikan Progresif, 14 (3).  pp. 1784-1799.  ISSN Print: 2087-9849 dan Online: 2550-1313