Muslim, L. L., Verawati, N. N. S. P. and Makhrus, M. (2021) “Validity and Reliability of Learning Tools Based on Discovery Learning Model to Improve Creative Thinking Ability and Concept Understanding”, Lensa: Jurnal Kependidikan Fisika, 9(1), pp. 10–18. doi: 10.33394/j-lkf.v9i1.3507.