Amendments to Department Order No.4 dated January 3, 1972 - Rules and Regulations Governing Radio Training Schools in the Philippines. Category: Department OrderSeries: 1973No: 37File: DO_037_S1973.pdfDate: Tuesday, August 28, 1973Tags: Rules Regulations Governing Radio Training Schools Philippines 037 Read more about Amendments to Department Order No.4 dated January 3, 1972 - Rules and Regulations Governing Radio Training Schools in the Philippines.
