Popper K. Principles of scientific method: Notes on Lectures by Dr K.R. Popper given at the University of Otago, 22–26 May 1945; Lecture 2. Testing of theories. nzsr [Internet]. 2023 Dec. 7 [cited 2024 Jul. 22];69(1):17-9. Available from: https://ojs.victoria.ac.nz/nzsr/article/view/8806