Special Issues JTAS JST JTAS Vol. 27 (S1). 2019 JSSH JTAS Vol. 28 (S1). 2020JTAS Vol. 28 (S2). 2020JTAS Vol. 27 (S1). 2019JTAS Vol. 27 (S2). 2019JTAS Vol. 27 (S3). 2019JTAS Vol. 27 (T1). 2019JTAS Vol. 27 (T2). 2019 There is no special issue for this journal currently.