Ranasinghe, P. C. H. Private bus transport in Sri Lanka : its performance, productivity, and manpower / P.C.H. Ranasinghe ; editor, J. Diandas. - Colombo : Friedrich-Ebert-Stiftung, 1988. - 129p Subjects--Topical Terms: Bus lines--Sri Lanka. Dewey Class. No.: 770 / RAN