Coombs, P. H., Ahmed, M., & Israel, B. B. (1974). Attacking rural poverty: How nonformal education can help. Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoombs, Philip Hall, Manzoor Ahmed, और Barbara Baird Israel. Attacking Rural Poverty: How Nonformal Education Can Help. Baltimore: Johns Hopkins University Press, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCoombs, Philip Hall, et al. Attacking Rural Poverty: How Nonformal Education Can Help. Johns Hopkins University Press, 1974.
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