Silvia, I., W. Oviana, and A. H. Lubis. “mproving earning utcomes of lementary chool tudents by sing ind apping odels ith udio isual edia: lassroom ction esearch”. urnal endidikan rofesi uru, vol. 1, no. 2, July 2023, pp. 41-53, https://journal32.ar-raniry.ac.id/ppg/article/view/3067.