Fitriati, F., R. Rahmi, R. Novita, M. Salmina, I. K. Sari, A. Nasriadi, U. Muzakir, and N. Fajri. “Measuring the Effect of Problem Based Learning With Instructional Video on Primary School Students’ Problem Solving Skills Development”. Jurnal Ilmiah Teunuleh , vol. 4, no. 2, Sept. 2024, pp. 53-61, doi:10.51612/teunuleh.v4i2.125.