RAMANUJAM, M. E. Can philately sensitise people to wildlife / conservation? An introduction to thematic philately and a visual treatise concerning the variety of philatelic material available on owls (Aves: Strigiformes). Journal of Threatened Taxa, [S. l.], v. 8, n. 7, p. 8989–9003, 2016. DOI: 10.11609/jott.2479.8.7.8989-9003. Disponível em: https://threatenedtaxa.org/index.php/JoTT/article/view/2479. Acesso em: 28 sep. 2021.