Serli Tamara and Dedy Dewanto (2024) “THE INFLUENCE OF LEARNING MOTIVATION AND SELF-EFFICACY ON ACADEMIC PROCRASTINATION OF PERTAMINA UNIVERSITY STUDENTS FOR THE Batch of 2020, 2021, 2022, AND 2023”, Journal of Management and Energy Business, 4(1). doi: 10.54595/jmeb.v4i1.73.