Nur Rahmadani D, Eka Rahayu P, Damariswara R. Elementary school learning system in Trenggalek during the covid 19 pandemic. J. Pendidik. Dasar Nusant [Internet]. 2022 Jan. 31 [cited 2025 Jun. 1];7(2):321-3. Available from: https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/16177