P.P. Dharmaratne, W.M.U.K. Rathnayake, A.D.A.J.K. Weerasinghe and A.S.A. Salgadoe (2024) “Performance of UAV-derived Normalized Difference Vegetation Index (NDVI) for Early Estimation of Rice Yield ”, Advances in Technology, 3(2). doi: 10.31357/ait.v3i2.7351.