“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, vol. 4, no. 2, Oktober 2020, hlm. 138-47, https://doi.org/10.22373/cj.v4i2.7820.