References:

• [1] Bao Moi News, 2017. [Online] Link: https://baomoi.com/du-an-khu-bao-ton-bien-ly-son-cho-ngu-dan-vay-uu-dai-dong-tau-cong-suat-lon/c/22062557.epi 
• [2] VTV Online, 2017. Link: http://english.vtv.vn/news/ly-son-island-bans-plastic-bags-20170722222312795.htm 
• [3] Da Nang Today, 2017.[Online] Link:  http://baodanang.vn/english/society/201705/university-students-convey-message-of-environmental-protection-2554573/  
• [4] Bao Moi News, 2017. [Online] Link: https://baomoi.com/ly-son-cam-ap-gia-rieng-cho-du-khach-tay/c/23515465.epi