Ram, Mohan, K.V. Prasad, T. Janakiram, S.K. Singh, and Ajay Arora. 2015. “Callus Induction and Proliferation from Rosa Hybrida Leaf Explants”. Indian Journal of Horticulture 72 (03):444-46. https://journal.iahs.org.in/index.php/ijh/article/view/1564.