Rosifah, Djumroh, Muh Amir Masruhim, and Sukartiningsih Sukartiningsih. 2018. “Needs Analysis in Role Playing Learning Model Influence on Motivation and Biology Learning Outcome of the Students at SMA Negeri 3 Samarinda”. BIODIK 4 (1):1 - 7. https://doi.org/10.22437/bio.v4i1.5503.