4 1 10 Muhammad Sharif Additional Author Zulfiqar Ahmad Additional Author Odum,E.P Additional Author Muhammad Shafique Additional Author mixed material London W.B. Saunders Company 1971 12) Muhammad Sharif Additional Author Zulfiqar Ahmad Additional Author Longmire, J. Additional Author Muhammad Shafique Additional Author NFTA Additional Author mixed material Taiwan Council Of Agriculture, Executive Yuan 1991 Dryland Ecology in Social Perspective Muhammad Sharif Additional Author Zulfiqar Ahmad Additional Author Muhammad Shafique Additional Author Spooner,B and Mann,H.S Additional Author Asim Maqbool Additional Author mixed material London Academic Press 1982 An Analysis of Recent Trends in Pakistan Muhammad Shafique Additional Author Jalees Ahmad Bhatti Additional Author Sadaqat Hayat Hanjra Additional Author Naqvi,S.N.H and Khan,A.H Additional Author mixed material Pakistan Pakistan Institute Of Development Economics, Islamabad 1989