Lestiana, Herani Tri, Lifa Muflikhatul Maula, and Widodo Winarso. 2023. “COMPARATIVE ANALYSIS OF PYTHAGOREAN PROBLEMS IN INDONESIAN AND SINGAPOREAN MATHEMATICS TEXTBOOKS: AN OVERVIEW OF COGNITIVE LEVEL, REPRESENTATION FORM, CONTEXTUAL FEATURE, AND RESPONSE TYPE”. Lentera Pendidikan : Jurnal Ilmu Tarbiyah Dan Keguruan 26 (1), 216-29. https://doi.org/10.24252/lp.2023v26n1i15.