Title: Phonkrathop khō̜ng patčhai thāng prachākō̜n tō̜ kānlotlong khō̜ng dek nai wai thī thưng kēn kānsưksā phāk bangkhap nai chonnabot khō̜ng khēt kānsưksā 9
Description: Impact of demographic factors upon the lowering numbers of the 1st grade student enrollment in the 9th education zone.