Twyford, I.T.
Fertilizer use at farm level in Pakistan: survey report I.T.Twyford, M.I.Bajwa and M.Tahir Saleem - Islamabad: Planning and Development Division, 1993. - xxix,226p.
eng
Fertilizer industry-Pakistan
631.805491 / TWF
Fertilizer use at farm level in Pakistan: survey report I.T.Twyford, M.I.Bajwa and M.Tahir Saleem - Islamabad: Planning and Development Division, 1993. - xxix,226p.
eng
Fertilizer industry-Pakistan
631.805491 / TWF