TY - BOOK AU - HUMAIRA KHALIQ AU - SUPERVISOR DR SHOAB A KHAN TI - TH-SOF-0847-ASSESSING THE AIRLINE SCHEDULE PERTURBATION AND ITS RECOVERY A CASE OF PAKISTAN INTERNATIONAL AIRLINES (PIA) U1 - 200 THE PY - 2013/// CY - ISLAMABAD PB - NUST COLLEGE OF EME KW - MS-EM-6 MSTHESIS ER -