Tolong jelaskan mengenai Daftar negara dari Negara berkembang terkurung daratan

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Jayaraman, T. K., Shrestha, O. L. (1976). Some Trade Problems of Landlocked Nepal. Asian Survey, 16(12), 1113-1123.

Paudel R. C. (2012). Landlockedness and Economic Growth: New Evidence. Australian National University, Canberra, Australia.

UN Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States. (2005). Landlocked Developing Countries. Retrieved from http://www.un.org/special-rep/ohrlls/lldc/default.htm