References
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- Frahat, H. (1990). Dastgah concept in Persian music. Cambridge University Press.
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- Hewitt, M. (2013). Musical scales of the world. The Note Tree.
- Plato. (1888) Timaeus (R. D. Archer-Hind, Ed), Cambridge University Press.
- Ptolemy, C. (2000). Harmonics (translated and commentary by Jon Solomon). Brill Publication.
- Safi al-Din al-Urmawi. (2001) Kitab al-Advar Fi al-Musiqa (Persian translation and Arabic text), (A. Rostami, Ed.). Miras-e-Maktoob Publication.