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PhD, Elizabeth Protacio Marcelino (May 25, 1990). "Towards Understanding the Psychology of the Filipino". Women & Therapy. 9 (1–2): 105–128. doi:10.1300/J015v09n01_07. ISSN0270-3149.
Church, A. Timothy; Katigbak, Marcia S. (2002). "Indigenization of psychology in the Philippines". International Journal of Psychology (in French). 37 (3): 129–148. doi:10.1080/00207590143000315. ISSN1464-066X.