ASSISTANCE FOR GONDANG 2 KKN STUDENTS OF MUHAMMADIYAH UNIVERSITY OF PONOROGO TO STUDENTS OF SD NEGERI GONDANG 2 PURWANTORO. HAPDIS. 2026;1(1):14-21. Diakses Mei 12, 2026. https://ojs.hanifapublisher.id/HAPDIS/article/view/16