N. Najmiah, G. Gunawan, F. Fakhruddin, H. Hasmawati, and N. Nurjannah, “The Effectiveness of Probing Techniques in Learning Biology on Learning Outcomes and Perceptions in Class IX Students of SMP Negeri 2 Sengkang, Wajo Regency”, IJHESS, vol. 2, no. 3, pp. 140-148, Jul. 2020.