Konsumerisme sebagai faktor penarik terjadinya fenomena enjokousai dalam masyarakat Jepang kontemporer = Consumerism as the pull factor for the rising of the phenomenon of enjokousai in contemporary Japanese society

Fenomena hidden homeless dalam masyarakat Jepang kontemporer: studi kasus net caf refugees = Hidden homeless phenomenon in the contemporary Japanese society: a case study of net caf refugees

Fenomena love hotel dalam budaya Jepang kontemporer = The Phenomenon of love hotel in contemporary Japanese culture

Hubungan antara perubahan nilai-nilai terhadap keluarga, anak, dan pernikahan pasca perang dunia ke II dengan perubahan persepsi perempuan Jepang terhadap perceraian dalam masyarakat Jepang kontemporer = Relationship between changing values of family, children, and marriage after world war II with changing perception about divorce among Japanese women in contemporary Japanese society

Kaitan antara fenomena jyukunen rikon dengan nenkin bunkatsu di Jepang = The relations between middle-aged divorce phenomenon and pension division system in Japan