Yunita, Widia, M. Zaim, Hermawati Syarif, and Yetti Zainil. 2022. “The Effectiveness of Project-Based Learning through Vlog to Improve Pre-Schoolers’ Vocabulary Mastery”. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini 6 (5):4661-68. https://doi.org/10.31004/obsesi.v6i5.2232.