William KERUA. Cause and Effect of Livelihood Diversification on Cocoa Production in Papua New Guinea: A Case Study. Cutting-edge Research in Agricultural Sciences Vol. 11, [S. l.], p. 9–19, 2021. DOI: 10.9734/bpi/cras/v11/5177D. Disponível em: https://stm.bookpi.org/CRAS-V11/article/view/1961. Acesso em: 3 jun. 2026.