Amin, Muhammad, Mahyuni Mahyuni, and Lalu Putera. “Pengembangan Profesionalisme Guru Melalui Kegiatan Lesson Study Di Pondok Pesantren Nurul Haramain Putra NW Narmada : Manfaat Dan Tantangannya”. PALAPA 7, no. 1 (May 21, 2019): 167-180. Accessed July 15, 2020. https://ejournal.stitpn.ac.id/index.php/palapa/article/view/198.