From

The Influence of Project-based Learning Strategy and Self-regulated Learning on Academic Procrastination of Junior High School Students’ Mathematics Learning

Dahlia Novarianing Asri, Punaji Setyosari, Imanuel Hitipeuw, Tutut Chusniyah

American Journal of Educational Research. 2017, 5(1), 88-96 doi:10.12691/education-5-1-14