Jesica Deviana, author
Universitas Indonesia, 2018
UI - Skripsi (Membership)
Siregar, Parlindungan, author
UI-Press, 2015
UI - Pidato
Heyne, K., author
Departemen Kehutanan, 1987
Buku Teks
Rajawali, 2011
Buku Teks
Moeljatno, author
Al-Hikmah YK, 1985
Buku Teks