Pengembangan Buku Ajar IPS Terpadu Berbasis 3 Dimensi di SMPN 3 Pasiran - Lumajang dengan Pendekatan Kontekstual Learning: Development of an Integrated Social Studies Textbook Based on 3 Dimensions at SMPN 3 Pasiran - Lumajang with a Contextual Learning Approach. icecrs. 2019;2(1):225-231. doi:10.21070/picecrs.v2i1.2415