Simatupang, Devi Novita Sari, and Tatum Derin. 2020. “The Gamifying Teaching Elementary English: Word Search Game to Reach Vocabulary Mastery: ”. Utamax : Journal of Ultimate Research and Trends in Education 2 (2), 57-65. https://doi.org/10.31849/utamax.v2i2.3060.