Ronnie Concepcion II, Elmer Dadios, Argel Bandala, Edwin Sybingco. (2020). Prediction of Cultivation Period and Canopy Area in Lettuce Using Multi-Temporal Visible RGB-Based Vegetation Indices and Computational Intelligence. International Journal of Advanced Science and Technology, 29(06), 6899 - 6921. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/22436