KRUGER, M.; SAAYMAN, M. Sand, sea and surf: segmenting South African surfers. South African Journal for Research in Sport, Physical Education and Recreation, [S. l.], v. 39, n. 2, p. 115–135, 2017. DOI: 10.4314/sajrs.v39i2. Disponível em: https://www.ajol.info/index.php/sajrs/article/view/160682. Acesso em: 30 sep. 2026.