Herlina, Herlina, and Raden Rahmi Dewi. “FLASHCARD MEDIA: THE MEDIA FOR DEVELOPING STUDENTS UNDERSTANDING FOR ENGLISH VOCABULARY AT ELEMENTARY SCHOOL”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW, vol. 4, no. 1, July 2017, pp. 116-28, doi:10.21009/IJER.04.01.11.