Rokhmawati A, V.Y IA, Pamungkas AS. Pengembangan Bahan Ajar Rainbow Book Pada Materi Bangun Datar Kelas IV. supremum j of mathematics education [Internet]. 2019Jul.16 [cited 2024May2];3(2):85-94. Available from: https://journal.unsika.ac.id/index.php/supremum/article/view/1780