„ANALYSIS OF MOODLE ACTIVITIES BEFORE AND AFTER THE COVID-19 PANDEMIC – CASE STUDY AT GOCE DELCHEV UNIVERSITY “. Balkan Journal of Applied Mathematics and Informatics 4, no. 1 (Juli 2, 2021): 51–58. Zugegriffen Oktober 3, 2025. https://js.ugd.edu.mk/index.php/bjami/article/view/4265.