Ronnie Concepcion, 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(7), 12600 - 12625. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/27956