“DESIGN, DEVELOPMENT AND OPTIMIZATION OF LETROZOLE NANOPARTICLES FOR BREAST CANCER TREATMENT ”, Int. Res. J. Pharm., vol. 10, no. 6, pp. 72–78, Jun. 2019, Accessed: Jun. 24, 2026. [Online]. Available: https://irjponline.org/index.php/irjp/article/view/514