Arunsirot, Nutreutai, Pattharawongthana, Jarunee, AND Chaichompoo, Chalermchai. "The The Construction of an Application to Manage Health Problems of Ethnic Groups in Chiang Dao District to Reduce Social Inequality in Access to Essential Services in Public Health" Naresuan University Journal: Science and Technology (NUJST) [Online], Volume 31 Number 2 (12 May 2023)