Mercoria Soraya, and N. K. A. Rahmadani. “Teacher Strategy in Improving Vocabulary Mastery Ability Through Letter Card Media”. Jurnal Pendidikan Anak Usia Dini Undiksha, vol. 11, no. 3, Jan. 2024, pp. 458-66, doi:10.23887/paud.v11i3.67854.