Studies on the oxidation of aromatic hydrocarbons and nitrogenous heterocycles
Improved gas chromatographic analysis of complex hydrocarbons mixture derived from coal and petroleum
Study of problems and prospects of retail trade of consumer goods in Siliguri, district Darjeeling, North Bengal 1977-1980
A Study of problems and prospects of retail trade of consumer goods in Siliguri district Darjeeling North Bengal 1977 1980