Aluka, Pauline, and Kahiu Ngugi. 2020. “The Diversity of Green Bean Biochemical Compounds in Robusta Coffee (Coffea Canephora Pierre Ex A. Froehner) As Evaluated by Near Infrared Spectroscopy: A Scientific Overview”. New Perspectives in Agriculture and Crop Science Vol. 2, May, 95-107. https://stm1.bookpi.org/index.php/npacs-v2/article/view/1323.