Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Washisaka Souen,On the Practical Theory of Attaining Buddhahood by Chih-i,Journal of Indian and Buddhist Studies (Indogaku Bukkyogaku Kenkyu),0019-4344,Japanese Association of Indian and Buddhist Studies,1968,16,2,752-755,https://cir.nii.ac.jp/crid/1390001205375230336,https://doi.org/10.4259/ibk.16.752