Realfan R, Masyitoh D, Romika I. REDUCING ACADEMIC PROCRASTINATION THROUGH PROBLEM SOLVING-BASED GROUP GUIDANCE IN SECONDARY EDUCATION. EDU [Internet]. 2025 Jul. 2 [cited 2025 Sep. 28];3(2):287-94. Available from: http://iiesecore.com/ojs/index.php/educatione/article/view/101