Kannika Thiankhanithikun, NopphadolChalortham , and Siriporn Wohbah. “Temperature Data Analysis of Diphtheria-Tetanus-Pertussis and Hepatitis B Vaccine Cold Chain Monitoring in Northern Part of Thailand”. Journal of Pharmacy and Nutrition Sciences, vol. 9, no. 1, Jan. 2019, pp. 1-7, doi:10.29169/1927-5951.2019.09.01.1.