JASPAL SINGH, PRABHJYOT KAUR. Formulation of weekly and monthly thumb rule models for prediction of potential productivity of sunflower in Punjab. J. Agrometeorol. [Internet]. 2021 Jun. 1 [cited 2024 Apr. 25];23(2):176-82. Available from: https://journal.agrimetassociation.org/index.php/jam/article/view/64