Widarti, H. R., A. . Baharsyah, D. A. Rokhim, and A. B. Syafruddin. “Is the Use of the Problem-Based Learning Model through Instagram Effective? A Review”. Eclética Química, vol. 48, no. 4, Oct. 2023, pp. 17-26, doi:10.26850/1678-4618eqj.v48.4.2023.p17-26.