Milla Rulisa, Adisel and Wiji Aziz Hari Mukti 2024. Development of Poster Learning Media to Improve Learning Outcomes on the Main Material of Substances and Their Changes at SMP Negeri 5 Bengkulu City. EDUCATION JOURNAL OF INDONESIA. 5, 2 (Nov. 2024). DOI:https://doi.org/10.30596/eji.v5i2.3602.