Kera, Clay R.
Rugby league handbook : a teachers' guide for provincial high schools / [written and developed by Clay R. Kera]. - [Port Moresby] : Dept. of Education, 1987. - 123 p. - Physical education : .
Rugby football--Study and teaching (Secondary)--Papua New Guinea.
Rugby league handbook : a teachers' guide for provincial high schools / [written and developed by Clay R. Kera]. - [Port Moresby] : Dept. of Education, 1987. - 123 p. - Physical education : .
Rugby football--Study and teaching (Secondary)--Papua New Guinea.