Singh, Maneesha, Alka Srivastava, Ajay Pratap Singh, Vandana Singh, Archana Srivastava, Srikant Sharma, G. C. Uniyal, and Samresh Dwivedi. 2007. “Genetic Analysis of Important Morpho-Ecomonic Traits in Periwinkle [Catharanthus Roseus (L.) G. Don]”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING 67 (01):62-65. https://doi.org/.