Accident study for Punjab (NTRC-27) (1978) National Transport Research Centre; NTRC; Pakistan, Government of, Planning Commission; Swah, M. Sadiq; Idris, M. Kazim
Traffic factors for Pakistan (NTRC -55) (1982) National Transport Research Centre; NTRC; Pakistan, Government of. Planning Commission; Swati, M. Sadiq; Idris, M. Kazim