Datta, T., M. S. Pinky, C. K. dash, and K. N. Begum. “Orcein and Fluorescent Banding Analysis of Two Floral Types of Catharanthus Roseus L”. Dhaka University Journal of Biological Sciences, vol. 29, no. 2, Aug. 2020, pp. 219-27, doi:10.3329/dujbs.v29i2.48765.