Zidni, Zidni Fima Khoiro Sholihah, Widiarini, and Tyas Alhim Mubarok. 2023. “Developing Vocabulary Digital Pocket Book to Online Business and Marketing (OBM) Students at Vocational High School Level”. English Education:Journal of English Teaching and Research 8 (1):30-42. https://doi.org/10.29407/jetar.v8i1.18755.