Reunkaw, G., Aoutamo, R. ., Srikrin, W. ., Piyawongwisal, P. ., Homsiang, A., & Eurviriyanukul, K. . (2021). Development of PET Bottle Purchasing Machine using Load Cell and Image Processing with LINE Notify. RMUTL Engineering Journal, 6(2), 49–55. https://doi.org/10.14456/rmutlengj.2021.11