L. Fatichah, I. Kaniawati, and A. Jauhari, “THE APPLICATION OF STEM-BASED IPA LEARNING ACTIVITIES TO IMPROVE LEARNING MOTIVATION IN STRAIGHT MOTION CONCEPTS IN JUNIOR HIGH SCHOOL”, KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA, vol. 4, no. 2, pp. 116-130, Dec. 2019.