Fitriati, F., Rahmi, R., Novita, R., Salmina, M., Sari, I. K., Nasriadi, A., Muzakir, U. and Fajri, N. (2024) “Measuring the Effect of Problem Based Learning With Instructional Video on Primary School Students’ Problem Solving Skills Development”, Jurnal Ilmiah Teunuleh , 4(2), pp. 53-61. doi: 10.51612/teunuleh.v4i2.125.