ผลการศึกษาพบว่า การศึกษาความต้องการ

Study results showed that Study on oil-product purchase requirement, yellow herbal M&C in the zone.Bong, Tambon sawang, Amphoe Dan land north of Sakon Nakhon province. The audit found that the majority are female. In the age range 25-35 years old The company's level of education level/m 6 and career students. Students The average income of under 5000 baht.

The results showed that
the demand for oil products in the area of M & C yellow herbal
Tambon Bang above. Sawang Daen Din Sakon Tests showed that the majority of females
in the age range 25-35 years in vocational education. / m. 6 and professional students on average less than 5,000 baht.

The results showed that
. Study on demand for oil products in the area of yellow M herbs & C
District Bong North District bright region industry, it was found that the examinee test mostly female
.At the age of 25-35 years education in Vocational / M 6 and career, students, average income, lower 5 000)
.