Peran japanese consumer cooperative union dalam keamanan pangan di jepang (1998 2011) = Role of japanese consumer cooperative union in food safety (1998 2011)

Implementasi engo (environmental non-governmental organisation) Jepang studi kasus jeef (Japan environmental education forum) di Asia Tenggara = The implementation of Japan engo (environmental non-governmental organisation) case study of jeef Japan environmental education forum in Southeast Asia

Jepang selama dua abad perubahan = Japan and its world two centuries of change

Pengaruh program Visit Japan Campaign (VJC) terhadap revitalisasi ekonomi Jepang = The impact of Visit Japan Campaign (VJC) program on Japan's economic revitalization

Kekuatan yang membisu : kepribadian dan peranan Jepang = the silent power Japan's identity and eworld role