Syed Waqar Hussain Use of recycled / waste polythene cement and sand to reduce the shrinkage potential of the clay liner in arid / semi arid regions Syed Waqar Hussain - Risalpur. MCE, NUST 1995 - p223.: ill,; 30 cm. Subjects--Topical Terms: Thesis Dewey Class. No.: T-44