1. Direktorat Perlindungan Perkebunan. (2011) “Pengenalan Dan Pengendalian Organisme Pengganggu Tumbuhan Tanaman Karet [Title in English: Introducing and Controlling the Rubber Plant Destroyer]”.
2. “Feasibility Study of Rubber Farming (Hevea brasiliensis) in Bunga Putih Village, Sub district of Marangkayu, Kutai Regency”;Bardani;Jurnal AGRIFOR XIII,2014
3. “Livelihoods and Forest Resources in Aceh and Nias for a Sustainable Forest Resource Management and Economic Progress.” Report of the project identification study;Budidarsono,2007
4. “Diseases of Rubber and their Control”;Wastie;PANS Pest Articles & News Summaries,1975
5. “Sistem Pakar Diagnosis Penyakit Tanaman Karet Dengan Metode Dempster-Shafer [Title in English: Diagnostic Expert Systems of Rubber Plant Using Dempster-Shafer Method].”;Jeffri Rizky Maulana;JUTISI,2016