Alfonsus H Harianja
https://www.researchgate.net/profile/Alfonso_Harianja1.

Puslitbang Kualitas dan Laboratorium Lingkungan Kementerian Lingkungan Hidup dan Kehutanan Kawasan Puspiptek Serpong Gd. 210, Jalan Raya Puspiptek Serpong, Muncul, Serpong, Muncul, Tangerang Selatan, Kota Tangerang Selatan, Banten 15314, Indonesia
Indonesia

1. http://opac.perpusnas.go.id/ResultListOpac.aspx?pDataItem=Alfonsus%20H.%20Harianja&pType=Author&pLembarkerja=-1&pPilihan=Author 2.http://www.forda-mof.org/content/peneliti/detail/4/30 3.https://scholar.google.co.id/citations?user=H9cnpmEAAAAJ&hl=en

Anisse M. Sinaga
Aek Nauli Environmental and Forestry Research and Development Agency
Indonesia

Ferry A Hawari
Orangutan Information Centre (OIC)
Indonesia

Ridwan Fauzi
Research and Development Center for Environmental Quality and Laboratory, Forestry and Environmental Research
Indonesia