Skurski, M., Miller, A. & Alligood, C. (2019) Inspiring the Next Level of Enrichment Development. Connect 5: 32-37.
Alligood, C.A., Dorey, N.R., Mehrkam, L.R., & Leighty, K.A. (2017). Applying behavior-analytic methodology to the science and practice of environmental enrichment in zoos and aquariums. Zoo Biology 36:175-185.
Animal keepers' forum:
science of behavioral husbandry series
Building a Science-based Behavioral Husbandry.
The Whole Truth About Variable Reinforcement Schedules.