Sujarwo, Sujarwo. “WORKSHOP MODEL BLENDED LEARNING BERBASIS WHATSAPP MENINGKATKAN KOMPETENSI GURU MELAKSANAKAN BDR”. JANACITTA 4, no. 1 (April 30, 2021). Accessed December 22, 2024. https://jurnal.unw.ac.id/index.php/janacitta/article/view/918.