Jayalakshmi, M., G. Prasadbabu, B. H. Chaithanya, R. Bindhupraveena, and T. Srinivas. 2021. “Impact of Soil Test Based Fertilizer Application on Yield, Soil Health and Economics in Rice”. Indian Journal of Extension Education 57 (4): 147-49. https://epubs.icar.org.in/index.php/IJEE/article/view/115539.