Hisao Otsuka
Si Hisao Otsuka (Diad Hapon: 大塚 久雄, inianak: Mayo 3, 1907, inatey: Hulyo 9, 1996), sakey researcher ya Hapones nipaakar economic history.
Si Hisao Otsuka (Diad Hapon: 大塚 久雄, inianak: Mayo 3, 1907, inatey: Hulyo 9, 1996), sakey researcher ya Hapones nipaakar economic history.