Ghosh, P., and P. Pal. “Response of African Marigold Cv. Siracole to Organic and Inorganic Nitrogen Sources”. Indian Journal of Horticulture 67, no. 03 (September 27, 2010): 372–375. Accessed December 22, 2024. https://journal.iahs.org.in/index.php/ijh/article/view/1797.