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Mapa, Maria Ann, Ramon Lachica, Mary Angeline Daanoy Satake, and Violeta Lopez Gonzaga. Tender Hands That Toil: A Study of the Phenomenon of Child Labor in Northern Negros. Bacolod City: Social Research Center, University of St. La Salle, 1990.

Mapa, Maria Ann, et al. Tender Hands That Toil: A Study of the Phenomenon of Child Labor in Northern Negros. Social Research Center, University of St. La Salle, 1990.