Tonapa YD, Susanto DA, Sukmaningrum R. The Application of flashcards to use English as a Medium of Instruction to Enhance Pre-kindergarten Learners’ English Language Proficiency. Innovative [Internet]. 2024 Mar. 12 [cited 2026 Aug. 5];4(2):1405-1. Available from: http://j-innovative.org/index.php/Innovative/article/view/9287