Toba National College of Maritime Technology publishes a bulletin to announce the results of research.

Bulletin of Toba National College of Maritime Technology
Bulletin of Toba National College of Maritime Technology No. 40
Bulletin of Toba National College of Maritime Technology No. 41
Bulletin of Toba National College of Maritime Technology No. 42
Bulletin of Toba National College of Maritime Technology　No.43
Bulletin of Toba National College of Maritime Technology　No.44
Bulletin of Toba National College of Maritime Technology　No.45