Thawonngamyingsakul, C., A. Tevata, A. Khadwilard, J. Visedmanee, and P. Chunkaew. “Studying Control Parameters Effects on Performance of Drying Cocoa Bean with Heat Pump Dryer”. Rajamangala University of Technology Tawan-ok Research Journal, vol. 18, no. 1, June 2025, pp. 99-113, doi:10.63271/rmuttorj.v18i1.264551.