Cornell, D. A. V., L. O. Tugade, e R. De Sagun. «Tourism Quality of Life (TQOL) and Local Residents’ Attitudes towards Tourism Development in Sagada, Philippine»s. Revista Turismo & Desenvolvimento, n. 31, Jan. 2019, pp. 9-34, doi:10.34624/rtd.v0i31.8079.