Kovshov A.N. Texnologiya mashinostroyeniya. М.: mashinostroyeniye, 1987-320s.
Texnologicheskiye protsessq v mashinostroyenii, Uchebnoye posobiye / N.P. Solnqshkin i d r.; pod obo‘. red. N.P. Solnqshkina-SPb.: Izd- vo SPbGTU, 1998-278s.
Internet saytlari 1. http://fayllar.org
2. www.arxiv.uz
3. https://www.epowermetals.com/uz/influence-of-machining-allowance-on-machining-accuracy.html