The pku, alternatively spelled pzuk, is an Armenian musical instrument, similar to a clarinet. It has been called the national instrument of Armenia. The pku is a single-reed aerophone with seven holes and a one octave range with the open cone of a bull horn at one end.
- "Pku". Instruments. Hayren Ensemble. Retrieved February 20, 2008.
- Swets, Wouter (September 1973). "Record Reviews". Ekthnomusicology 17 (3): 573–576. JSTOR 849977.