GÜN, M.; YERDELEN KAYGIN, C. AR-GE YATIRIMLARININ FİNANSAL PERFORMANS ÜZERİNE ETKİSİNİN VERİ ZARFLAMA ANALİZİ İLE İNCELENMESİ. Business & Management Studies: An International Journal, [S. l.], v. 8, n. 3, p. 2649–2674, 2020. DOI: 10.15295/bmij.v8i3.1539. Disponível em: https://www.bmij.org/index.php/1/article/view/1539. Acesso em: 14 tem. 2024.