Ziegler, J.A. & Silberg, J.N. & Araujo, G. & Labaja, J. & Ponzo, A. & Rollins, R. & Dearden, P. (2019)
Using long-term integrated research programs to improve whale shark tourism at Oslob, Philippines. Tourism Management, 74, 297–299
DOI: 10.1016/j.tourman.2019.04.003

Ziegler, J.A. & Silberg, J.N. & Araujo, G. & Labaja, J. & Ponzo, A. & Rollins, R. & Dearden, P. (2018)
A guilty pleasure: Tourist perspectives on the ethics of feeding whale sharks in Oslob, Philippines. Tourism Management, 68, 264–274
DOI: 10.1016/j.tourman.2018.04.001