1.วางแผนการทำงานของกลุ่ม
2.สำรวจร้านค้าของทั้งสองสถานที่
3.Presented in groups Comments should be amended part.
4.Presented to the teacher and ask for advice.
5.ตั้งคำถามที่จะนำไปสอบถาม
6. The group surveyed in each storage area. And distributed to each store
7. The data were presented to teachers so that teachers review. And further consultation
8. Upon further consultation And that information should be added. He returned to the store for more information
9. Collected information has to be analyzed in the next step.