Hadi, K., Dazrullisa, Hasruddin, and B. Manurung. “The Effect of Teaching Materials Based on Local Value Integrated by Character Education through PBL Models on Students’ High Order Thinking Skill”. Britain International of Humanities and Social Sciences (BIoHS) Journal, Vol. 1, no. 2, Oct. 2019, pp. 213-2, doi:10.33258/biohs.v1i2.54.