Funda olu dliwano-ndlebe oluvela kwi-Onearth Magazine kunye noGqr Kathleen Wolf, inzululwazi yezentlalo kuzo zombini Yunivesithi yaseWashington's School of Forest Resources kunye ne-US Forest Service, ophonononga ukuba imithi kunye neendawo eziluhlaza zingenza abahlali basezidolophini baphile kwaye bonwabe. Funda udliwano-ndlebe apha ukufunda ngophando lukaGqr Wolf olunika umdla.
Braun, Ashley. “Ngaba Umthi Unokukwenza Wonwabe?” iOnEarth Magazine 8 Matshi 2011