APA
Kulshrestha D K, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Prof R S Varma Gu & University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. (1967). Maintenance problems in operational research. : .
Chicago
Kulshrestha D K, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Prof R S Varma Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. 1967. Maintenance problems in operational research. : .
Harvard
Kulshrestha D K, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Prof R S Varma Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. (1967). Maintenance problems in operational research. : .
MLA
Kulshrestha D K, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Prof R S Varma Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. Maintenance problems in operational research. : . 1967.
