«Afghanistan border crossings». Caravanistan. [Consulta: 3 febrer 2017]. «It is mostly used as a low-intensity drug-smuggling corridor to bring opium to China during the summer.»
chinadaily.com.cn
usa.chinadaily.com.cn
Cui Jia. «High alert» (en anglès), 25-09-2014. [Consulta: 3 febrer 2017]. «A barbed wire fence appeared after another 20 km west of Keketuluke. The fence separates China and Afghanistan amid the 92 km border area.»
fsu.edu
law.fsu.edu
Office of the Geographer. «Còpia arxivada». web.archive.org. Bureau of Intelligence and Research, 01-05-1969. Arxivat de l'original el 2015-01-03. [Consulta: 14 novembre 2021]. «The Afghanistan–China boundary agreement, signed on November 22, 1963, was the fifth of these boundaries treaties initiated by the Chinese communists.»
Dufour, Julien. «Pamir & Wakhan - Getting there». Online Guide to Trekking in the Wakhan and Afghan Pamir. Arxivat de l'original el 2017-11-24. [Consulta: 3 febrer 2017].
Dufour, Julien. «Pamir & Wakhan - Getting there». Online Guide to Trekking in the Wakhan and Afghan Pamir. Arxivat de l'original el 2017-11-24. [Consulta: 3 febrer 2017].
Office of the Geographer. «Còpia arxivada». web.archive.org. Bureau of Intelligence and Research, 01-05-1969. Arxivat de l'original el 2015-01-03. [Consulta: 14 novembre 2021]. «The Afghanistan–China boundary agreement, signed on November 22, 1963, was the fifth of these boundaries treaties initiated by the Chinese communists.»