Valles, M. V. (2000). Training needs analysis of business and economic journalists in Metro Manila.
Lua i Stíl Chicago (17ú heag.)Valles, Marivil Villa. Training Needs Analysis of Business and Economic Journalists in Metro Manila. 2000.
Lua MLA (9ú heag.)Valles, Marivil Villa. Training Needs Analysis of Business and Economic Journalists in Metro Manila. 2000.
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