Kantaruksa, K.; Urharmnuay, M.; Yimyam, S.; Sansiriphan, N.; Supawitichpatana , B.; Chaloumsuk , N.; Lerttrakannon , P. Effects of a Breastfeeding Promotion, Support, and Protection Program for Registered Nurses in the Northern Thailand. Nursing Journal CMU 2020, 47, 1-12.