Angara, E. J. (1999). The greening of the countryside [speech delivered at Amcham's monthly membership luncheon meeting at the Shangri-la Hotel in Makati City last January 20, 1999]. AmCham Philippines Business Journal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAngara, Edgardo J. "The Greening of the Countryside [speech Delivered at Amcham's Monthly Membership Luncheon Meeting at the Shangri-la Hotel in Makati City Last January 20, 1999]." AmCham Philippines Business Journal 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAngara, Edgardo J. "The Greening of the Countryside [speech Delivered at Amcham's Monthly Membership Luncheon Meeting at the Shangri-la Hotel in Makati City Last January 20, 1999]." AmCham Philippines Business Journal, 1999.
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