Khan, R. A.

MARGINAL RATES OF SUBSTITUTION OF FERTILIZER FOR LAND DERIVED FROM EXPERIMENTAL PRODUCTION FUNCTINS KHAN R.A. Year not listed MARGINAL RATES OF SUBSTITUTION OF FERTILIZER FOR LAND DERIVED FROM EXPERIMENTAL PRODUCTION FUNCTIONS KHAN, R.A 1972 MARGINAL RATES OF SUBSTITUTION OF FERTILIZER FOR LAND DERIVED FROM EXPERIMENTAL PRODUCTION FUNCTIONS KHAN R.A. Year not listed Polymer English garammar and composition with a textbook supplement on paper a for B. Sc. Students Khan, R. A. 1982 Polymer english grammer and composition with a textbook supplement on papaer 'A' Chishty, B. A. 1985 Software engineering Khan, R. A. 2014 Software quality Khan, R. A. 2006