Barrios, E. B. (1996). Econometric modeling project for industry, exports and investments: GVA component. U.P. Statistical Center Research Foundation, Inc.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarrios, Erniel B. Econometric Modeling Project for Industry, Exports and Investments: GVA Component. Quezon City: U.P. Statistical Center Research Foundation, Inc, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBarrios, Erniel B. Econometric Modeling Project for Industry, Exports and Investments: GVA Component. U.P. Statistical Center Research Foundation, Inc, 1996.
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