ebrary, Inc, & Karoly, L. A. (1998). Investing in our children: What we know and don't know about the costs and benefits of early childhood interventions. Rand.
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Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Lynn A. Karoly. Investing in Our Children: What We Know and Don't Know About the Costs and Benefits of Early Childhood Interventions. Santa Monica, CA: Rand, 1998.
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MLA (9th ed.) Zitazioa
ebrary, Inc, eta Lynn A. Karoly. Investing in Our Children: What We Know and Don't Know About the Costs and Benefits of Early Childhood Interventions. Rand, 1998.
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