Jalaludin E, Sari M. Efficiency Analysis of Financing Companies Listed on the Indonesia Stock Exchange (IDX) During Covid-19. WIGA [Internet]. 2024 Mar. 26 [cited 2025 Aug. 24];14(1):13-21. Available from: http://ejournal.itbwigalumajang.ac.id/index.php/wiga/article/view/1158