K.H. Gilt; S.J.A. Sherazi; J. Igbal; A.A. Sheikh; M. Ramzan; M.K. Shaheen(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-10-10)
Azeem Khalid; Muhammad Arshad; d Zahir Ahmad Zahir(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-02)
Muhammad Munir Ahmad; Jutaro Karube(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-10-09)
Muhammad Ilyas; M. Ibrahim; Tariq Siddique; M. Ishaq(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-04)