1.
Prasetya B. DIFFERENT LEVEL OF LEARNED-HELPLESSNESS AMONG HIGH SCHOOL STUDENTS WITH LOWER GRADE AND HIGHER GRADE IN SALATIGA INDONESIA. Satya Widya [Internet]. 5Jun.2013 [cited 23Oct.2021];29(1):15-2. Available from: https://ejournal.uksw.edu/satyawidya/article/view/121