Hikmahwati, H.; Sahla, W. A.; Iriawan, S.; Safrina, N.; Qalbiah, N.; Aguilar, M. G. W. Market Capitalization Volatility, Profitability, and Leverage: A Comparative Four-Case Study of Indonesia’s Energy and Technology Firms. j. of economics, entrepreneurship, manag. bus. and account. 2026, 4, 667-688.