REPI, Elra Vira; 						SURIANI, Ni Wayan; 						WAWORUNTU, Freetje.
 The Effect of Learning Cycle 7E Model on Buffer Solution Subject on Learning Outcomes of Class XI Students of SMA N 2 Langowan.
<strong>Oxygenius: Journal Of Chemistry Education</strong>, [S.l.], v. 1, n. 2, p. 99-106, dec. 2019.
ISSN 2686-4649.
Available at: &lt;<a href="https://www.indochembull.com/index.php/oxygenius/article/view/118" target="_new">https://www.indochembull.com/index.php/oxygenius/article/view/118</a>&gt;. Date accessed: 10 oct. 2026.
doi: <a href="https://doi.org/10.37033/ojce.v1i2.118">https://doi.org/10.37033/ojce.v1i2.118</a>.