00604nam a2200181 a 4500 157006 OSt 20210825110904.0 190808 ### HIN 658.4033 S64D Singh, Divya Deep Researcher Development pattern and estimating efficient profitability ratios of cement firms in India: a financial econometric analysis by Divya Deep Singh; guided by Sanjay Kumar. 2018 134p. Kumar, Sanjay Guide ddc TH Central University of Rajasthan Ph. D. 19392 19392 0 0 ddc 0 1 1 REF CURAJ CURAJ 2019-08-08 Department of Management 658.4033 S64D TH41 2020-09-02 2020-09-02 TH