Kunphichaijirawut, N. 2023. A study of the problem of paying the enrollment fees beyond the specified period of students from Sisaket Rajabhat University: ณัชชารีย์ กุลพิชัยจิราวุฒิ1* Natcharee Kunphichaijirawut1* มหาวิทยาลัยราชภัฏศรีสะเกษ Sisaket Rajabhat University Corresponding Author : wan.natcharee@gmail.com. Research and Development Journal Sisaket Rajabhat University. 10, 1 (Jun. 2023), 32–44.