V. K. KATIYAR, A. K. KATIYAR, S. K. SRIVASTAVA. Empirical relationship of sixth order to estimate global solar radiation from hours of sunshine. J. Agrometeorol. [Internet]. 2009 Dec. 1 [cited 2025 Aug. 4];11(2):97-101. Available from: https://journal.agrimetassociation.org/index.php/jam/article/view/1233