Southeast Asia Population Research Awards ProgramHassan, A.J.2007-11-121978-04-012007-11-121978http://hdl.handle.net/10625/2806Ed. versionText36 p.enFRONTIER MIGRATIONMIGRANTSPHILIPPINESMALAYSIAISLANDSMOTIVATIONAGE DISTRIBUTIONLEVELS OF EDUCATIONINCOMEOCCUPATIONAL QUALIFICATIONSKINSHIPCharacteristics of backdoor migrants to Sabah, Malaysia from the Philippines : the case of two island communities of Tawi-TawiWorking Paper