Media type: E-Article Title: Optimal portfolio analysis of manufacturing entities in the Indonesia Sharia Stock Index Contributor: Najamuddin, Yunan [Author]; Meidawati, Neni [Author]; Putri, Nahar Savira [Author]; Nustini, Yuni [Author]; Kholid, Muamar Nur [Author] Published: 2021 Published in: International Journal of Research in Business and Social Science ; 10(2021), 8 vom: Dez., Seite 188-199 Language: English DOI: 10.20525/ijrbs.v10i8.1506 Identifier: Keywords: risk ; return ; optimal portfolio ; Indonesian Sharia Stock Index ; Aufsatz in Zeitschrift Origination: Footnote: Access State: Open Access