Kalirajan, K.P. In pursuit of identifying technical efficiency and x-efficiency / K.P. Kalirajan - Canberra : The Australian National University , 1989 - 19p. : ill. ; 10 cm. - Working papers in trade and development No. 89/11 . Includes bibliographical references. Subjects--Topical Terms: Efficiencymodels Gov. Doc. Class. No.: AU ANU RSPS WPTD-89/11