International journal of engineering and and technology - Dhaka : Gurpukur Research Institute, c2009. - Vol. : Illustration ; 25 cm. - Half-yearly - Vol. 6 no.3&4 (Decem. 2009) PG UG ISSN: 18127711 Subjects--Topical Terms: EngineeringTechnology Dewey Class. No.: 605/ / GPRI