Repi, Elra, Ni Wayan Suriani, & Freetje Waworuntu.
" The Effect of Learning Cycle 7E Model on Buffer Solution Subject on Learning Outcomes of Class XI Students of SMA N 2 Langowan." <em>Oxygenius: Journal Of Chemistry Education</em> [Online], 1.2 (2019): 99-106. Web. 10 Oct. 2026