Asri, C. P. (2021). Unemployment and Gross Domestic Product: Evidence from Papua New Guinea. Journal of Business and Management Review, 2(8), 544-557.
Bhanugopan, Ramudu. "Tourism development in Papua New Guinea: strategies for success." Asia Pacific Journal of Tourism Research 6.2 (2001): 65-73.
Chapman, A., Davies, W., Downey, C., & Dookie, D. (2021). ADB Climate Risk Country Profile: Marshall Islands.