Zuldafrial Z, Bohari B. Pengaruh Heterogenitas terhadap Hasil Belajar Program Studi Pendidikan Sejarah STKIP PGRI Pontianak. J Educ [Internet]. 2014 Dec. 12 [cited 2024 Dec. 26];12(2):267-81. Available from: https://journal.ikippgriptk.ac.id/index.php/edukasi/article/view/162