Del Rosso, J. M., & Marek, T. (1996). Class action: Improving school performance in the developing world through better health and nutrition. World Bank.
Dyfyniad Arddull ChicagoDel Rosso, Joy Miller, and Tonia Marek. Class Action: Improving School Performance in the Developing World Through Better Health and Nutrition. Washington, D.C.: World Bank, 1996.
Dyfyniad MLADel Rosso, Joy Miller, and Tonia Marek. Class Action: Improving School Performance in the Developing World Through Better Health and Nutrition. World Bank, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.