Rahman M, Karim MM. Macroeconomic and Firm-Specific Determinants of Stock Price Volatility Before and After COVID-19: Evidence from the Pharmaceutical and Chemical Sectors of DSE. Rajshahi Univ. j. soc. sci. bus. stud. [Internet]. 2026 Mar. 1 [cited 2026 May 31];30:103-14. Available from: https://journal.ru.ac.bd/rujssbs/article/view/120