Professor Ray Ison’s book Friday 25 Nov 2022 | Digital Development Services | Research According to research gate, Professor Ray Ison’s book written for TU812/TB872 has reached 3,500 reads. Achieved on 4th November 2022. As well as studied by approx. 1600 PG students. Book: Systems Practice: How to Act in a Climate-Change World Tags:#PostgraduateLearning#SystemsThinking