Muhammad Aslam; R. H. Qureshi; R. Mahmood; S. Nawaz; Javaid Akhtar(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-11-12)
Shad K. Khalil; Kamran Zeb; A. Z. Khan(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2002-01-05)
Khan, Sumyya Razzaq; Abbasi, M. Kaleem(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-09-06)
Skahid Mahmood; Muhammad Arshad; Zahir Ahmad Zahir(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2002-02-06)
Tariq Aziz; Maqsood Ahmad Gil; Iftikhar Ahmed(Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-11-12)