Sari, H. P., 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)”. Konstruktivisme : Jurnal Pendidikan Dan Pembelajaran, Vol. 10, no. 2, July 2018, pp. 178-92, doi:10.35457/konstruk.v10i2.512.