Nasution, D. (D) ; Mihardi, S. (S) https://www.neliti.com/publications/120158/implementasi-model-pembelajaran-inquiry-training-dalam-pembelajaran-fisika-untuk.
,
2015
Bukit, N. (Nurdin) ; Mihardi, S. (Satria) https://www.neliti.com/publications/120213/the-effect-of-learning-physics-with-problem-based-instruction-pbi-models-in-phys.
,
2012