Katigbak, T. (1998). Poor leadership becomes major economic concern. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKatigbak, Tony. "Poor Leadership Becomes Major Economic Concern." Philippine Star 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKatigbak, Tony. "Poor Leadership Becomes Major Economic Concern." Philippine Star, 1998.
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