Jantama, Maliwan.
" THE EFFECT OF GROUP PROCESS THROUGH "O4MAT" TECHNIQUE TO COMMUNICATIVE ENGLISH ACHIEVEMENT OF GRADE 7TH STUDENTS." <em>Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC)</em> [Online], 1.2 (2021): 351-357. Web.  6 May. 2024