Cate, J.B., Fernandez, C.M., Occiano, M.C.L. and Valenzuela, J.F. 2005. Determination of mango leaf pigments using reflectance spectroscopy. Proceedings of the Samahang Pisika ng Pilipinas, 23(1), SPP-2005-PA-36. URL: https://proceedings.spp-online.org/article/view/SPP-2005-PA-36.