Mohamad, Zaleha, Nurhafizah Ramli, Aidy Mohamed Shawal M. Muslim, and Yii Siang Hii. 2017. “Tourism Operator Sustainability Predictive Model in Marine Park”. International Review of Management and Marketing 7 (2):161-65. https://econjournals.com.tr/index.php/irmm/article/view/3957.