Hendrayadi, Hendrayadi, Martin Kustati, and Nana Sepriyanti. “MIXED METHOD RESEARCH”. Jurnal Review Pendidikan dan Pengajaran (JRPP) 6, no. 4 (November 29, 2023): 2402–2410. Accessed July 7, 2024. http://journal.universitaspahlawan.ac.id/index.php/jrpp/article/view/21905.