ทำไมต้องพูดฮัลโหลตอนที่รับสาย? #วิวเอ๋ยบอกข้าเถิด | Point of View

อ้างอิง

- Ahoy! Alexander Graham Bell and the first telephone call. (2018, October 19). Science Museum. https://www.sciencemuseum.org.uk/objects-and-stories/ahoy-alexander-graham-bell-and-first-telephone-call

- Alexander Graham Bell’s box telephone. (n.d.). National Museums Scotland. Retrieved September 28, 2021, from https://www.nms.ac.uk/explore-our-collections/stories/science-and-technology/alexander-graham-bell/

- Choi, M. (2018, October 26). The Real Meaning of 여보세요 [yeoboseyo]. Organ...