Shoffiyati, Peni, Melinda Noer, Rahmat Syahni, and Asrinaldi. 2023. “Cocoa Agro-Industry Development through the Role of Actors in Supply Chain in West Sumatra”. International Journal on Advanced Science, Engineering and Information Technology 13 (5):1749-55. https://doi.org/10.18517/ijaseit.13.5.19150.