Kahn, Alfred J.
Theory and practice of social planning : companion volume to studies in social policy and planning
Russel Sage Foundation, 1969
 Buku Teks
Azka Asfari Silmi
Analisis kebijakan insentif pajak bagi usaha sosial (social enterprise) di Indonesia = Analysis of tax incentives policy for social enterprises in Indonesia
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
 UI - Skripsi Membership
Pohlman, Edward
Incentives and compensations in birth planning / Edward Pohlman
Carolina Population Center , 1971
 Buku Teks
The United Nations. International Labour Office
A Handbook on incentives for the promotion of family planning amongst workers in the organised sector
ILO Labour and Population Team for Asia and The Pacific, 1990, 1990
 Buku Referensi
Hickman, Bert G.
Quantitative planning of economic policy a conference of the social science research council committee on economic stability
The Brooking Institution , 1965
 Buku Teks