PAVAN PATEL; AVULA CHINTU BHAVANI. A Study on Portfolio Analysis and Investment Decisions with Reference to Pharmaceutical Sector in India. NOLEGEIN-Journal of Operations Research & Management, [S. l.], v. 5, n. 1, 2022. Disponível em: https://mbajournals.in/index.php/JoORM/article/view/900. Acesso em: 3 jun. 2026.