Pagsanjan-Estrera, I. (2003). UP chacha opposition exposes new privatization trends. Philippine Collegian.
Chicago-viite (17. p.)Pagsanjan-Estrera, Iris. "UP Chacha Opposition Exposes New Privatization Trends." Philippine Collegian 2003.
MLA-viite (9. p.)Pagsanjan-Estrera, Iris. "UP Chacha Opposition Exposes New Privatization Trends." Philippine Collegian, 2003.
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