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1ā- Griffin, James, 1929-Ngā marau “...Church and social problems Papua New Guinea Bougainville....”
I whakaputaina 1995
Pukapuka -
2I whakaputaina 1991Ngā marau “...Church and social problems Papua New Guinea....”
Pukapuka -
3ā- Salisbury, Richard Frank, 1926-Ngā marau “...Social problems Papua New Guinea Gazelle Peninsula....”
I whakaputaina 1971
Pukapuka