Farias GB de, Castilho CJM de. Birdwatching and ecotourism in Itamaracá (PE): an instrument to promote the sustainable development. S&N [Internet]. 2006 Dec. 30 [cited 2024 Aug. 31];18(35). Available from: https://seer.ufu.br/index.php/sociedadenatureza/article/view/9247