Dash, A., Jain, N. and Pandey, H. (2021) “Cost Effective, Efficient and Stability indicating Method Development & Validation for determination of related substances for Levonorgestrel & Ethinyl Estradiol Tablets”, Journal of Drug Delivery and Therapeutics, 11(2), pp. 153–163. doi:10.22270/jddt.v11i2.4581.