Erka Pulungan, Ummi Rasyidah. The Effectiveness of The Full-Day School System in Improving Academic Achievement and Character Development of Students: A Systematic Literature Review. sscj-amik [Internet]. 2026 Jun. 30 [cited 2026 Jul. 4];4(4):113-25. Available from: https://journal.amikveteran.ac.id/index.php/sscj/article/view/6241