UNICEF & the national development planning agency, 2000
Buku Teks
Government of Indonesia - UNICEF, author
Government of Indonesia-Unicef, 1998
Buku Referensi
United Nations Childrens Fund, 1984
Buku Teks
Luetkens, Charlotte, author
Nicholson, 1946
Buku Teks
Honjoung Kim, author
OMNES, 2019
Artikel Jurnal