Prem Narain, The Changing Scenario of Agriculture, Journal of Agronomy Research, Volume 1, Issue 1, 2017, Pages 1-4, ISSN 2639-3166, https://doi.org/10.14302/issn.2639-3166.jar-17-1901.
(https://www.ijn-medicalarticles.info/agronomy-research/article/the-changing-scenario-of-agriculture-656)
Abstract: 
Keywords: Agriculture; Productivity