Tanta-aut, Supaporn, Sutham Nanthamongkolchai, Chokchai Munsawaengsub, Pimsurang Taechaboonsermsak, and Supachai Pitikultang. 2019. “Factors Influencing the Quality of Life Among Elderly Fruit Gardener in Chanthaburi Province”. Journal of Health Science of Thailand 28 (1):S5-S13. https://thaidj.org/index.php/JHS/article/view/7840.