Tuty Sariwulan, & Fera Pujiastuti. (2019). THE IMPACT OF SELF-EFFICACY, LEARNING MOTIVATION, AND PROCRASTINATION ON ACADEMIC ACHIEVEMENT OF STUDENTS FACULTY OF ECONOMICS, JAKARTA STATE UNIVERSITY. Jurnal Ilmiah Econosains, 17(2), 131–143. https://doi.org/10.21009/econosains.0172.04