BOGOR TODAY Daily – Column Opinion Page A-2, January 15, 2015

Arifin HS. 2015. Pohon Besar, Dilematik Lingkungan dan Bom Waktu. Harian Bogor Today, Kolom Opini. Hal A-2. Tanggal 15 january 2015

Arifin HS. 2015. Pohon Besar, Dilematik Lingkungan dan Bom Waktu. Harian Bogor Today, Kolom Opini. Hal A-2. Tanggal 15 january 2015