by MATSUOKA SHUHEI, YAMADA AYAKO, OKA KEITA
Year of Publication 13.06.2024

by Taguchi, Toyoe, Oka, Keita, Okamoto, Fumiyo, Koyama, Emi
Published in Journal of Japan Society of Nursing Research (01.09.2009)

by OGURA FUYUHIKO, OKA KEITA
Year of Publication 07.12.2017

by 田口, 豊恵, 岡, 啓太, 岡本, 文代, 小山, 恵美
Published in 日本看護研究学会雑誌 (01.09.2009)

by KURATA ATSUSHI, KINOSHITA SHOYA, KAJI SHINSUKE, KISHIMOTO NORIAKI, KAWAI ATSUSHI, OKA KEITA
Year of Publication 02.02.2017

by IWAUCHI, Ken-ichi, TAKAHASHI, Tomoya, OKA, Keita, EDA, Tetsuya, ISHIKAWA, Tomoharu, AYAMA, Miyoshi
Published in Transactions of Japan Society of Kansei Engineering (2011)

by WALL, R. Andrew, OKA, Keita, PIETILA, Pasi, VALLIUS, Tuomas
Year of Publication 03.05.2023

by OKA KEITA
Year of Publication 11.09.2014

by OKA KEITA
Year of Publication 14.11.2013

by OKA KEITA
Year of Publication 01.11.2012

by OKA KEITA
Year of Publication 02.09.2010

by OKA KEITA
Year of Publication 21.01.2010

by WALL, R. Andrew, OKA, Keita, PIETILA, Pasi, VALLIUS, Tuomas
Year of Publication 19.12.2018

by Oka Keita, Vallius Tuomas, Wall R. Andrew, Pietila Pasi
Year of Publication 13.02.2018

by WALL, R. Andrew, OKA, Keita, PIETILA, Pasi, VALLIUS, Tuomas
Year of Publication 17.08.2017

by Oka Keita, Vallius Tuomas, Wall R. Andrew, Pietila Pasi
Year of Publication 17.08.2017

by WU, Jeb, JAMES, Richard A, OKA, Keita, O'HANLON, Mark Louis Wilson, PARUCHURU, Vijay Krishna, POON, Yarn Chee
Year of Publication 04.04.2019

by WU, Jeb, JAMES, Richard A, OKA, Keita, O'HANLON, Mark Louis Wilson, PARUCHURU, Vijay Krishna, POON, Yarn Chee
Year of Publication 28.03.2019

by PIETILA PASI, WALL R. ANDREW, OKA KEITA, VALLIUS TUOMAS
Year of Publication 21.08.2018

by ISHINO YUJI,ENJOJI KEITA,OKA MASAHIRO,KAMIKURO SHINICHI,HOSHINO TOSHIYUKI,IRA MINAKAZUYASU
Year of Publication 08.03.2006