Regmi, Sudeep, and Kiran Acharya. “Effect of Plant Growth Regulators in African Marigold: A Review”. Nepalese Horticulture 16, no. 1 (December 15, 2022): 7–14. Accessed July 27, 2024. https://nepjol.info/index.php/nh/article/view/45005.