1.
Ruma Z, Tawe A. OPTIMAL PORTFOLIO CRITICAL REVIEW OF BASIC MATERIAS SECTOR SHARES ON THE IDX USING THE MARKOWITZ APPROACH. JEEBM [Internet]. 2023 Jun. 10 [cited 2024 Dec. 6];1(3):276-87. Available from: http://pemudin.com/index.php/JEEBM/article/view/24