Mentari Reza, Achmad, Tritiyatma, and Yuli, “Pengembangan Soft Skills Peserta Didik melalui Integrasi Pendekatan Science, Technology, Engineering, Arts, and Mathematics (STEAM) dalam Pembelajaran Asam Basa”, JRPK, vol. 8, no. 2, pp. 101–110, Dec. 2018.