NAITHANI, H. B.; NEGI, J. D. S.; THAPLIYAL, R. C.; POKHRIYAL, T. C. Valley of Flowers: Need for Conservation or Preservation. Indian Forester, [S. l.], v. 118, n. 5, p. 371–378, 1992. DOI: 10.36808/if/1992/v118i5/8438. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/8438. Acesso em: 29 oct. 2025.