1. Jumaniyazov K.J. etc. "Technology and equipment of textile products." - Gulom, 2012. - 151 p.
2. Jumaniyazov K.J., Bobojanov H.T., Gafurov J.K. Comparison of devices for compact ring yarn. - 2009. - No. 4. - p. 19–21.
3. Borzunov I.G. and others. Spinning of cotton and chemical fibers. - M.: Legprombytizdat, 1986. - 60-62 p. 137–139 p.
4. Mathematical Modeling of Yarn Dynamics in a Generalized Twisting System
5. Shcherbakov V.P., Skulanova N.S. Theory of designing yarn from a multicomponent mixture // Izv. universities. Technology of the textile industry. - 2005, No. 2.