00389nam a22001217a 4500082000900000100002500009245013400034260002400168300002600192526001800218650001100236700002000247  aT-58  aParvez Iqbal Sulehri  aA laboratory investigation to study the variation in strength of commercial brand ordinary portland cementscParvez Iqbal Sulehri  aRisalpurbMCE, NUST  ap171.:bill,;c30 cm.  a0b0c0dT_58  aThesis  aNasurllab Abeer