Yaap, Elizabeth Allison (2018) Maintaining connectivity for tropical rainforest mammals in agricultural landscapes. PhD thesis, James Cook University.

Yaap, Betsy, Magrach, Ainhoa, Clements, Gopalasamy Reuben, McClure, Christopher J.W., Paoli, Gary D., and Laurance, William F. (2016) Large mammal use of linear remnant forests in an industrial pulpwood plantation in Sumatra, Indonesia. Tropical Conservation Science, 9 (4). pp. 1-13.

Yaap, Betsy, Watson, Haley, and Laurance, William F. (2015) Mammal use of Raphia taedigera palm stands in Costa Rica's Osa Peninsula. Mammalia, 79 (3). pp. 357-362.

Hedges, L., Clements, G.R., Aziz, S.A., Yap, W., Laurance, S., Goosem, M., and Laurance, W.F. (2013) Small carnivore records from a threatened habitat linkage in Terenganu, Peninsula Malaysia. Small Carnivore Conservation, 49. pp. 9-14.

Yaap, B., Paoli, G.D., Angki, A., Wells, P.L., Wahyudi, D., and Auliya, M. (2012) First record of the Borneo Earless Monitor Lanthanotus borneensis (Steindachner, 1877) (Reptilia: Lanthanotidae) in West Kalimantan (Indonesian Borneo). Journal of Threatened Taxa, 4 (11). pp. 3067-3074.

Paoli, Gary D., Yaap, Betsy, Wells, Phillip L., and Sileuw, Aisyah (2010) CSR, oil palm and the RSPO: translating boardroom philosophy into conservation action on the ground. Tropical Conservation Science, 3 (4). pp. 438-446.