Sindi Sri Deviana Manalu, Jonny Siagian, Ganda T. Hutapea. The Influence Of Profitability Rasio On Stock Performance With Return Market Control Variabel In The Telecomunication Sub-Sector Listed On The Indonesia Stock Exchange Before, During and After Covid 19 . Fundamental; Management; [Internet]. 2024 Oct. 21 [cited 2025 Mar. 15];9(2):1-25. Available from: http://ejournal.uki.ac.id/index.php/jm/article/view/6288