Population distribution and population growth in Yogyakarta Special Region
 Artikel Jurnal
Pertumbuhan Rumah Sakit Mata "DR.YAP" Yogyakarta
 Artikel Jurnal
McDonald, Peter F.
Response to population pressure: the case of the special region of Yogyakarta / Peter F. McDonald, Alip Sontosudarmo
Gajah Mada University Press, 1976
 Buku Teks
Leonardi Armando Goenawan
Penentuan validitas dan reliabilitas Tokyo metropolitan institute of gerontology index of competence
Universitas Indonesia, 2005
 UI - Tesis (Membership)
Analysis of urban population density through air-photo: case study of Yogyakarta City
 Artikel Jurnal