Satriawan, M., L. Liliasari, W. Setiawan, A. G. Abdullah, and R. Rosmiati. “A Contextual Semi Assisted Project-Based Learning (SA-PjBL) about Ocean Wave Energy: Creative Thinking of Pre-Service Physics Teachers”. Momentum: Physics Education Journal, Vol. 5, no. 2, July 2021, pp. 132-41, doi:10.21067/mpej.v5i2.5172.