Shofiyah, N., Mauliana, M. I., Istiqomah, I., & Wulandari, R. (2021). STEM Approach: The Development of Optical Instruments Module to Foster Scientific Literacy Skill. Jurnal Penelitian Dan Pengkajian Ilmu Pendidikan: E-Saintika, 5(2), 92-103. https://doi.org/10.36312/esaintika.v5i2.388