English : for graduate students /
H. Ghazaryan, M. Badadyan ; edited by G. Nikoghosyan ; Ministry of Education and Science State Engineering University of Armenia (Polytechnic).
- Revised ed.
- Yerevan : Chartaraget, 2013.
- 183 p. ; 20 cm.
- 42-8(075.8) (NLA) .