COCA, Gabriela. 2015. “‘INTERESTING’ HARMONIC AND TONAL SOLUTIONS IN PYOTR ILYICH TCHAIKOVSKY’S ‘ALBUM FOR CHILDREN’, OP. 39”. Studia Universitatis Babeș-Bolyai Musica 60 (1):257-64. https://studia.reviste.ubbcluj.ro/index.php/subbmusica/article/view/5088.