Koya, Yoshio Pioneering in family planning : A collection of papers on the family planning programs and research conducted in Japan / Yoshio Koya - Toyko : Japan Medical Pubs, 1963 - vi, 173p. : ill.; 21 cm. Includes index. Subjects--Topical Terms: DemographyFamily planning Dewey Class. No.: 312.01 / KOY