Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NISHIMURA Tomo,A Study of the Trend Away from the Traditional Courtship Habitsof Young People: Procrastination in Finding a Partner,The Journal of Population Studies,03868311,Population Association of Japan,2016,52,0,25-37,https://cir.nii.ac.jp/crid/1390001204643539584,https://doi.org/10.24454/jps.52.0_25