Pattana, M.; Makthong , C.; Sanjai, S.; Ruangkitkan, P.; Luengthada, N.; yathun, C.; Srichan, P.; Tamornpark, R. Effectiveness of the NERSD program in reducing HbA1c levels in patients with uncontrolled diabetes in Northern Thailand. j health sci altern med 2021, 3, 30-36.