Harnas, Dollamulyana, Denny Mulyani Harnas, and Toni Rizky Riyanov. “Development of E-Learning Chemistry Learning in SMA MA Project Based Learning on Colloid Material With the Flipped Classroom Approach in Class XI Senior High School”. INTERNATIONAL JOURNAL OF HIGH INFORMATION, COMPUTERIZATION, ENGINEERING AND APPLIED SCIENCE (JHICE) 1, no. 02 (December 23, 2021): 68–73. Accessed June 26, 2026. http://jhice.ppj.unp.ac.id/index.php/jhice/article/view/22.