Foning Ramsong, A. “Vegetative Propagii.tion of <I>Cinchona ledgeriana< I> Moens. By Modified Mound and Trench Layerage Methods”. Indian Forester 93, no. 11 (November 1, 1967): 760–762. Accessed February 19, 2026. https://indianforester.co.in/index.php/indianforester/article/view/25727.