Batiller, J., & Primary World Mathematics Competition. (2000). The travails of the mathematically gifted. Manila Times.
Chicago-viite (17. p.)Batiller, Josephine, ja Primary World Mathematics Competition. "The Travails of the Mathematically Gifted." Manila Times 2000.
MLA-viite (9. p.)Batiller, Josephine, ja Primary World Mathematics Competition. "The Travails of the Mathematically Gifted." Manila Times, 2000.
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