PUTRI, Fatwasari Soeratno. The Influence Of The Use Of E-Learning On Student Achievement Index In The Pandemic Period (Case Study On Students Of The Faculty Of Economics And Business, University Of Muhammadiyah Surakarta). Prosiding University Research Colloquium, [S. l.], p. 1121–1129, 2021. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/1894. Acesso em: 6 may. 2024.