One of the helpers on the STANIL courses was Asst. Prof. Chanathip Pornkul of the Faculty of Education of the Rajabhat Institute Suan Dusit. She has written a book on a strategy she has called CATS -knowledge Construction, knowledge Application, Thinking process, Story-based learning. In 1998, the CATS model was developed and first implemented in a classroom at Suan Dusit. ” The result of the implementation for one semester showed that the teacher students could think critically and plan their lessons using the student-centred approach correctly.”