Superficial, A. V., & Tongson, E. C. Challenges and coping strategies of U.P. Diliman VAAS Awardees.
Lua i Stíl Chicago (17ú heag.)Superficial, Alena V., agus Excelsa C. Tongson. Challenges and Coping Strategies of U.P. Diliman VAAS Awardees. 2010.
Lua MLA (9ú heag.)Superficial, Alena V., agus Excelsa C. Tongson. Challenges and Coping Strategies of U.P. Diliman VAAS Awardees.
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