R. K. Arora, P. K. Sharma, P. Kumar, and R. Singh, “Gold from Marigold Impact of marigold demonstrations under Farmer FIRST Programme”, Ind. Farming, vol. 71, no. 1, Aug. 2021, Accessed: Oct. 31, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IndFarm/article/view/114361