IJSTSS is a biannual, peer-reviewed, open access journal, edited by the Centre for Research and Community Development, Islamic University of Nahdlatul Ulama Jepara, Central Java, INDONESIA. It addresses mainly to researchers and also to other specialists in adjacent fields of research that focus their attention on Engineering, Social Science, Natural Product, Marine Science, Aquaculture, Small Medium enterprise, Humanities, Linguistic, Computer Science, Product Design, Economic, and Education