Nurhafidhah, Nurhafidhah, Hasby Hasby, Muhammad Nazar, and Sirry Alvina. 2021. “Needs Analysis: Development of Web-Based Learning Media on Chemical Bond Concepts”. JTK (Jurnal Tadris Kimiya) 6 (2):195-201. https://doi.org/10.15575/jtk.v6i2.14712.