Kananurack, Phiriyachatr, Kunlaya Sroysing, Kasaemsook Kiewthong, Thanawan Pattanasing, Gina Summers, and Jiraporn Thammasuksaree. 2020. “Nutritional Food Consumption Behavior of Elderly in Chonburi Province”. Dusit Thani College Journal 14 (3):548-63. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/245544.