Amornruangtrakoo, S., C. Kitprasert, S. Bunyongpatana, and P. Tiyapunjanit. “Business Management Success of Fresh Coffee Business in Muang District, Samutsakhon Province”. Vocational Education Central Region Journal, Vol. 5, no. 1, June 2021, pp. 1-10, https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/248684.