Chantana, K.; Rakmit, K.; Saisom, K.; Kanyamee, K.; Chinda, K.; Intarapanya, K.; Pong-udom, M.; Peungsawang, N.; Wannaphak , T. The Effectiveness of “Ngainak Vaccine” VDO on Knowledge Gain Basic Vaccine in Child Among The 1st Year Air Force Student Nurse, Academic Year 2019. rtafmg 2020, 66.