Purba, Leony S. L., Meida E. Marpaung, Nelius Harefa, and Anugrah Purba. 2021. “Improvement Physics 1 of Chemistry Learning Outcomes Through Project-Based Learning Models (PjBL) Using Quizizz Online Learning Media”. Jurnal Akademika Kimia 10 (3). Palu, Sulawesi Tengah - INDONESIA:203-7. https://doi.org/10.22487/j24775185.2021.v10.i3.pp203-207.