Widowati, et al.(2014).The 4th International Seminar on New Paradigm and Innovation on Natural Sciences and Its Application 2014: "Innovation in Applied Sciences for Environmental Resource Sustainability" Proceedings .Semarang:.
Gaya MLA
Widowati, . et al."The 4th International Seminar on New Paradigm and Innovation on Natural Sciences and Its Application 2014: "Innovation in Applied Sciences for Environmental Resource Sustainability" Proceedings".Semarang:,2014.Textbook.