Cahyasari, A., Budiyanto, M. and Susiyawati, E. (2020) “USING PROJECT-BASED LEARNING WORKSHEET WITH WASTE WATER TREATMENT THEME TO PRACTICE STUDENT’ PROBLEM-SOLVING SKILLS”, PENSA: E-JURNAL PENDIDIKAN SAINS, 8(2), pp. 110-114. Available at: https://ejournal.unesa.ac.id/index.php/pensa/article/view/38368 (Accessed: 27April2024).