Widarti, H.R., Baharsyah, A. , Rokhim, D.A. and Syafruddin, A.B. 2023. Is the use of the Problem-Based Learning Model through Instagram effective? A Review. Eclética Química. 48, 4 (Oct. 2023), 17–26. DOI:https://doi.org/10.26850/1678-4618eqj.v48.4.2023.p17-26.