Balisacan, Arsenio M. An analysis of the Philippine inter-island shipping industry / Arsenio M. Balisacan - Quezon City : University of the Philippines, School of Economics , 1989 - 24p. : ill. ; 30 cm. - Discussion Paper No. 8909 . Includes bibliographical references. Subjects--Topical Terms: Shipping--Philippines Gov. Doc. Class. No.: PH Phi.U SE DP-8909