THE EFFECTIVENESS OF E-LEARNING APPLICATION BASED ON FRAMEWORK CODEIGNITER IN THE COVID19 PANDEMIC PERIOD (CASE STUDY STAIN TEUNGKU DIRUNDENG MEULABOH). Cyberspace: Jurnal Pendidikan Teknologi Informasi, [S. l.], v. 4, n. 2, p. 138–147, 2020. DOI: 10.22373/cj.v4i2.7820. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/cyberspace/article/view/7820. Acesso em: 18 may. 2026.