Hidayat, R., Imami, M.K.W., Liu, S., Qudratuddarsi, H. and Mohd Saad, M.R. 2024. VALIDITY OF ENGAGEMENT INSTRUMENT DURING ONLINE LEARNING IN MATHEMATICS EDUCATION. Jurnal Ilmiah Ilmu Terapan Universitas Jambi. 8, 2 (Sep. 2024), 467-484. DOI:https://doi.org/10.22437/jiituj.v8i2.34453.