Martirosyan, L English manual : for the students of the machine-building department / L. Martirosyan, A. Ghoukasyan ; MSE, SEUA. - Yerevan : SEUA Print, 2006. - 76 p. : ill. ; 20 cm. - 42-8(075.8) (NLA) . Subjects--Topical Terms: English language--Handbooks Universal Decimal Class. No.: 42-8(075.8) (NLA)