Teedja, K.E.M. 2019. Comparative Study: Implementing Numbered Heads Together and Team Games Tournament to Enhance Students’ Knowledge on Passive and Active Voice Construction. Acuity: Journal of English Language Pedagogy, Literature and Culture. 4, 2 (Aug. 2019), 69-93. DOI:https://doi.org/10.35974/acuity.v4i2.906.