Villegas, B. M. (1989). Even pessimists forecast growth for the country. IN The Positive sum game [column]. Manila Chronicle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillegas, Bernardo M. "Even Pessimists Forecast Growth for the Country. IN The Positive Sum Game [column]." Manila Chronicle 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillegas, Bernardo M. "Even Pessimists Forecast Growth for the Country. IN The Positive Sum Game [column]." Manila Chronicle, 1989.
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