PEKDEMİR PEKER, R. “ROBERT SCHUMANN’IN MÜZİĞİNDEKİ SEMBOLLER VE OP. 2 PAPİLLONS’A GİZLENMİŞ ANLAMLAR”. International Journal of Social and Humanities Sciences Research (JSHSR), c. 8, sy 67, Mart 2021, ss. 565-7, doi:10.26450/jshsr.2341.