S. S. . Warindo, J. . Mansyur, and A. . Kade, “Influence of a Hypothetical Inquiry Method Towards Students’ Critical Thinking Skills and Learning Outcome at Class IX SMP Negeri 1 Biromaru”, J. Riset Pend. MIPA, vol. 1, no. 2, pp. 96-104, Dec. 2017.