Trusted with This TrialEbony Walker, Henry Ballard, Ken Hartley, Jakia Jones, Kelly Mance · First published 2023Open the Tome
Discover Your Team's PotentialChris Rollins, Ken Hartley, Kathy Kasten, Jennifer Behan · First published 2019Open the Tome
Tuning Biological Nutrient Removal PlantsKen Hartley, Gustaf Olsson · First published 2013Open the Tome
