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 [Internet]. 17 Oktober 2020 [dikutip 22 Juli 2026];4(2):138-47. Tersedia pada: https://jurnal35.ar-raniry.ac.id/index.php/cyberspace/article/view/7820