University of Tirana. "TURIZMI NË RRETHIN E DIBRËS"(PDF). doktoratura.unitir.edu.al (in Albanian). Tirana. p. 40. Archived from the original(PDF) on 2017-10-08. Retrieved 2020-03-20.
web.archive.org
University of Tirana. "TURIZMI NË RRETHIN E DIBRËS"(PDF). doktoratura.unitir.edu.al (in Albanian). Tirana. p. 40. Archived from the original(PDF) on 2017-10-08. Retrieved 2020-03-20.