Jiraporn Manowang และ Wasana Sepha;Kanokwan Plasila. (2022) A Study and Upgrading of Products by Local Wisdom in Mae Pao District, Phaya Mengrai District, Chiang Rai Province. <i>Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University</i>, <i>16</i>(1), 162-175.Jiraporn Manowang และ Wasana Sepha;Kanokwan Plasila. "A Study and Upgrading of Products by Local Wisdom in Mae Pao District, Phaya Mengrai District, Chiang Rai Province". Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University 16 (2022):162-175.Jiraporn Manowang และ Wasana Sepha;Kanokwan Plasila. A Study and Upgrading of Products by Local Wisdom in Mae Pao District, Phaya Mengrai District, Chiang Rai Province. Pibulsongkram Rajabhat University:ม.ป.ท. 2022.