Strengthening Indigenous Law to Make a Sustainable Development of the Coastal Area and Small Islands in IndonesiaNurul Huda, A.H. Asy’ari T., Yusuf Saefudin and Muhammad Bahrus SyakirinSHS Web Conf., 54 (2018) 04003DOI: https://doi.org/10.1051/shsconf/20185404003