Calapan, S. C. (2001). Soymilk offers solution to lactose intolerance. Manila Bulletin.
Chicago Style aipamenaCalapan, Sheila C. "Soymilk Offers Solution to Lactose Intolerance." Manila Bulletin 2001.
MLA aipamenaCalapan, Sheila C. "Soymilk Offers Solution to Lactose Intolerance." Manila Bulletin, 2001.
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