Lokollo E. The Effectiveness of Cooperative Learning Strategy to Increase the Speaking Skill at the Nineth Grade Students of SMPN 1 Kokoda. jurnalpendidikanbahasa [Internet]. 9May2022 [cited 19May2024];9(1):300-8. Available from: https://unimuda.e-journal.id/jurnalinteraction/article/view/5988