Usabor EE. School Imprest System and Administrative Effectiveness of Secondary School Principals in Uyo Senatorial District of Akwa Ibom State, Nigeria. JRES [Internet]. 2014 Dec. 1 [cited 2024 Sep. 19];5(3):20-4. Available from: http://icidr.org.ng/index.php/Jres/article/view/1394