H. P. Sari, N. Sutanti, and L. T. Wahyuningsih, “DEVELOPING FLASHCARD MEDIA FOR TEACHING VOCABULARY TO THE SEVENTH GRADE STUDENTS OF JUNIOR HIGH SCHOOL (Study Case in the seventh grade students at SMPN 1 Sanankulon)”, konstruk, vol. 10, no. 2, pp. 178-192, Jul. 2018.