Panganiban, J. M. E., & Tiangco, C. F. (2017). Attitude towards sadness scale. University of the Philippines Diliman Extension Program in Pampanga.
Chicago-viite (17. p.)Panganiban, Jose Mari E., ja Cristabel Fagela Tiangco. Attitude Towards Sadness Scale. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2017.
MLA-viite (9. p.)Panganiban, Jose Mari E., ja Cristabel Fagela Tiangco. Attitude Towards Sadness Scale. University of the Philippines Diliman Extension Program in Pampanga, 2017.
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