Name                                       : Valentina Yurina, S.Si, M.Si E-mail Address                       :   v_yurina@ub.ac.id; v_yurina@yahoo.com Google Scholar (Link)                     : https://scholar.google.co.id/citations?hl=en&user=E6WTa1MAAAAJ&view_op=list_works&is_public_preview=1 Scopus (Link)                          : https://www.scopus.com/authid/detail.uri?authorId=56176863500 Sinta Dikti (Link)                    :     Educational Backgrounds Year Educational Program […]