Oira TS, Otieno M. Effect Of Boat Transport Mode On Cost Of Goods In Lamu Island, Kenya. IJSBAR [Internet]. 2013 Oct. 11 [cited 2024 Jul. 3];9(1):41-57. Available from: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1172