by 조정림(Cho, Jeong Lim), 이은남(Lee, Eun Nam), 심상희(Sim, Sang Hee), 이나윤(Lee, Na Youn)
Published in Sŏngin Kanho Hakhoe chi (2013)

by 심상희(Sim, Sang-Hee), 이은남(Lee, Eun-Nam)
Published in Journal of Korean Academy of Nursing (2010)