Waraporn Wongsapun วราภรณ์ วงษาพันธ์, and Dolly Samson ดอลลี่ แซมซัน. 2018. “The Study of the Relationship Between Marketing Factors and Customer’s Decision to Purchase of Point of Sale Systems (Pos) of Casual Dining Restaurant in Bangkok, Thailand”. Dusit Thani College Journal 11 (3):126-36. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/118596.