Layug, M. E. M. (1980). Concurrent validity of the Denver Developmental Screening Test (Metro Manila version). University of the Philippines.
Chicago Style aipamenaLayug, Ma. Estela Miranda. Concurrent Validity of the Denver Developmental Screening Test (Metro Manila Version). [Quezon City]: University of the Philippines, 1980.
MLA aipamenaLayug, Ma. Estela Miranda. Concurrent Validity of the Denver Developmental Screening Test (Metro Manila Version). University of the Philippines, 1980.
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