Petrossian, Hasmik Gagiki English for engineering students / H. Petrossian, H. Ghazarian, L. Martirossian; Ministry of Science and education, State Engineering University of Armenia. - Yerevan : S. n., 2001-2008. - 2 p. : 21 cm. Vocabulary : p. 95-103 P. I (2001, 104 p.) P. II (2008, 144p.) ISBN: 978-9939-55-173-9 (P. II) Subjects--Topical Terms: English--Manual for engineering students