Olukotun, Olorunfemi Kehinde. The Introduction of Gsm Services in Anyigba Community and its Impact on Students Expenditure Pattern. GJMBR [Internet]. 2013 Mar. 15 [cited 2024 May 19];13(C8):73-81. Available from: https://journalofbusiness.org/index.php/GJMBR/article/view/1085