Ris Hadi Purwanto, Associate Professor Forest Management, Faculty of Forestry, Universitas Gadjah Mada, Indonesia. Id Sinta: 6008830

Mochamad Chanan, Departement of Forestry, Faculty of Agriculture and Animal Husbandry, University Muhammadiyah Malang, Indonesia. Id Sinta: 6101545

Siti Maimunah, Faculty of Forestry, Agriculture Institute of Yogyakarta, Indonesia

Amir Syarifuddin, Departement of Forestry, Faculty of Agriculture and Animal Husbandry, University Muhammadiyah Malang, Indonesia. Id Sinta: 6647915

Teddy Kardiansyah, Balai Besar Pupl dan Kertas, Badan Peneliti dan Pengembangan Industri, Kemenperin, Indonesia. Id Sinta: 6660898