P. Suriyah, M. . Zainudin, and S. . Yektiana, “Pedagogical compentence of mathematics education lectures using LMS (Learning Management System) moodle in the era Covid-19”, J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat., vol. 7, no. 1, pp. 64–80, May 2021.