Ayuningtyas, T., Jayatri, F., & Rohmayanti, R. (2019). 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. Proceedings of The ICECRS, 2(1), 225–231. https://doi.org/10.21070/picecrs.v2i1.2415