SAWA Keiko. Preliminary research on gender perspectives in the continuing legal education in Cambodia. Contemporary society bulletin. 2010. 4. 25-42
MINAMINO Kayo, SAWA Keiko. Preliminary report on gender perspectives in the continuing legal education in the New South Wales, Australia. Contemporary society. 2009. 12. 12. 125-142
MINAMINO Kayo, NAITO Yoko, SAWA Keiko. Preliminary report on gender perspectives in the Continuing Legal Education in Federal Republic of Germany. Contemporary society. 2008. 11. 11. 95-114
SAWA Keiko. On the Advisory Organ of the Foreign Residents in the Mid-size and Small Local Governments : A case study on Toyonaka City. Contemporary society. 2004. 7. 7. 213-219