RIZWAN AHMAD; SHER M. SHAHZAD; AZEEM KHALID; MUHAMMAD ARSHAD; MUHAMMAD H. MAHMOOD(Pakistan Journal of Botany, Botanical Garden, University of Karachi, Karachi, Pakistan, 2007-04-23)
MUHAMMAD ARSHAD; IBRAR HUSSAIN; MUHAMMAD YASIN ASHRAF; SAJIDA NOUREEN; MUHAMMAD MUKHTAR(Pakistan Journal of Botany, Botanical Garden, University of Karachi, Karachi, Pakistan, 2009-07-07)