@article{Black2017, author = "Black, Rosemary and Weiler, Betty", title = "{Tour guide certification in the Australian ecotourism industry: conception to adulthood}", year = "2017", month = "6", url = "https://bridges.monash.edu/articles/journal_contribution/Tour_guide_certification_in_the_Australian_ecotourism_industry_conception_to_adulthood/5090482", doi = "10.4225/03/5938b58a85fd4" }