ANONIM. Statistik sawit 1983. Balai Penelitian Perkebunan.
Chicago Style CitationANONIM. Statistik Sawit 1983. Balai Penelitian Perkebunan.
MLA CitationANONIM. Statistik Sawit 1983. Balai Penelitian Perkebunan.
Warning: These citations may not always be 100% accurate.