Evi Nurvidya Arifin
Growing old in Asia : declining labour supply, living arrangements and active ageing
[publisher not identified], 2006
 Buku Klasik
Tunjung Artha Trahtama Puri
Kondisi keuangan lansia Indonesia: menuju masyarakat menua aktif = Financial condition of Indonesian elderly: towards an active ageing society
Fakultas Teknik Universitas Indonesia, 2016
 UI - Tesis Membership
Brown, Steven
Active listening
Cambridge University Press, 2007
 Multimedia
Hilburn, John L., 1938-
Manual of active filter design
McGraw-Hill, 1983
 Buku Teks
Summers, Della
Longman active study dictionary
Pearson Education Limited, 2010
 Multimedia