Method development and validation of anti-cancer drug Erlotinib in marketed pharmaceutical dosage form by RP-HPLC - K, Pavan Kumar; Syed, Hafeez Ahmed; Shaik, Mohd Khasim; Shaik, Abrar; Amena, Fatima; Fareesa, Naaz; Anjum, Begum; Mohammed, Zulfikhar Hussain (International Journal of Multidisciplinary Research and Growth Evaluation, 2024)