A Study on Buoyancy Maintenance Time and Underwater Weight According to Changes in Lying-Down Posture During Coastal Safety Education
Keyword(s):
2013 ◽
Vol 133
(8)
◽
pp. 538-540
2017 ◽
Vol 6
(4)
◽
pp. 14-23
A Case Study on the Importance of Safety Education After Experience of Drifting of Skin Scuba Leader
2017 ◽
Vol 6
(2)
◽
pp. 13-25
Keyword(s):
Keyword(s):