Sara Alvi PERFORMANCE APPRAISAL CHALLENGES AT SNGPL ALVI, SARA, QURESHI ZI Sara Alvi - Lahore Lahore University of Management Sciences 2010 - 24 p. Papers - PERFORMANCE APPRAISAL CHALLENGES AT SNGPL ALVI, SARA, QURESHI ZI . ISBN: 05-745-2010-1 Standard No.: 05-745-2010-1 Dewey Class. No.: Lahore University of Management Sciences