Coale, Ansley J.
Population growth and economic development in low income countries: a case study of India's prospects
Princeton University Press, 1961
 Buku Teks SO
Coale, Ansley J.
Population growth and economic development in low-income countries a case study of India's prospects
Princeton University Press, 1958
 Buku Teks
Global economic prospects and the development countries
edited by American Writing Corporation
The World Bank , 1996
 Buku Teks
Wegelin, Emiel Arthur
Urban low-income housing and development : case study in Peninsular Malaysia / Emiel Arthur Wegelin
Martinus Nijhoff Social Sciences Division, 1977
 Buku Teks
Enarson, Donald A.
Tuberculosis guide for low income countries
Verlagsgruppe gmbh, 1994
 Buku Teks