Abbasianjahromi H, Rajaie H, Shakeri E, Kazemi O. A new approach for subcontractor selection in the construction industry based on portfolio theory. JCEM [Internet]. 2016Mar.24 [cited 2024Nov.23];22(3):346-5. Available from: https://jau.vgtu.lt/index.php/JCEM/article/view/1307