Agung Nugroho, M., Mediatrix Sebatubun, M., & ., S. (2018). Identifying Arabica Raw Coffee Bean Varieties through Feature Extraction GLCM and Circularity. International Journal of Engineering & Technology, 7(4.36), 1347-1351. https://doi.org/10.14419/ijet.v7i4.36.28984