Ichsan Siregar, Muhammad, Pandu Adi Cakranegara, Muhammad Abduh Anwar, Karnawi Kamar, and Rahman Yakub. 2022. “Development of Online Teaching Materials for Accounting Subjects in the Covid 19 Era”. Edumaspul: Jurnal Pendidikan 6 (1), 377-82. https://doi.org/10.33487/edumaspul.v6i1.3080.