1. Apriyanto M. & Umanailo M. C. B. (2019). Decrease polyphenols ethanol lactic acid and acetic acid during fermentation with addition of cocoa beans innoculum. International Journal of Scientific and Technology Research 8(10).
2. Baerveldt C. & Voestermans P. (2005). Culture Emotion and the Normative Structure of Reality. Theory & Psychology. https://doi.org/10.1177/0959354305054747
3. Djibu R. Shofwan I. & Basrun M. C. (2019). Development of Andragogical Learning Model to Improve Life Skill for Teenagers Who Drop Out of School in Gorontalo City. INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH 8(10). http://www.ijstr.org/final-print/oct2019/
4. Emberling G. (1998). The Archaeology of Ethnicity: Constructing Identities in the Past and Present:The Archaeology of Ethnicity: Constructing Identities in the Past and Present. American Anthropologist. https://doi.org/10.1525/aa.1998.100.2.576.2
5. Ervina A. Zulmi D. Ariesta R. Aridawarni Y. Aminah A. & Umanailo M. C. B. (2019). The Relationship of Patterns Use of Time and Income Family with Juvenile Delinquency in Junior High School Students at Lebak Distric. INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH 8(10). http://www.ijstr.org/final-print/oct2019/