“Pengaruh Model Pembelajaran Science Technology Society STS Berbasis Multiple Representation Terhadap Hasil Belajar IPA Siswa SMP Kristen Tongke Di Era Pandemi Covid 19”. SCIENING : Science Learning Journal, vol. 2, no. 2, Dec. 2021, p. 121 127, https://doi.org/10.53682/slj.v2i2.1097.