Purba, Desmalia, & Wisma Marbun.
" THE IMPLEMENTATION OF PICTURE STRIP STORY IN IMPROVING STUDENTS’ SPEAKING ABILITY  OF DARMA AGUNG UNIVERSITY." <em>JURNAL LITTERA: FAKULTAS SASTRA DARMA AGUNG</em> [Online], 1.1 (2019): 169-179. Web. 20 Nov. 2024