Iyan Robiansyah
Seameo Biotrop, 2017
Artikel Jurnal
IRL Press , 1985
Buku Teks
Dithamara Badzlin
2018
UI - Skripsi (Membership)
edited by Ajith H. Perera, C. Ashton Drew and Chris J. Johnson
Springer, 2012
eBooks
Moverley, John
Harper-Collins, 1986
Buku Teks