A program of study indicating how the students will fulfill each of the degree requirements must be approved by the student's doctoral coordinator and the director of the doctoral program by the end of the second semester of enrollment. This program of study is filed in the Doctoral Program Office; it may be revised, as appropriate, but must be kept current, as it will be a key factor in determining satisfactory progress in the program. Fifty-seven(57) semester hours of coursework, as a minimum, must be completed successfully for graduation. Students are expected to complete the courses on their program of study on a timely basis. When feasible, registration for 12-15 hours per semester is encouraged; at a minimum, students must register for nine hours per semester( excluding summer semester).