Zhang, Weiwen
Harmony
China Renmin University Press, 2015
 eBooks
Roland, Betty
The touch of silk
Currency Press, 1974
 Koleksi Publik
Roland, Betty
The touch of silk
Currency Press, 1974
 Buku Teks SO
Erna Surjadi
Gender harmony
Pustaka Sinar Harapan, 2010
 Buku Teks SO
Martin, A.W.
Understanding geography / A.W. Martin
Rigby Limited, 1962
 Buku Teks