Team S. Idempotent of Weak Projection Cohypersubstitutions: Nareupanat Lekkoksung, Prakit Jampachon, Somsak Lekkoksung. Thai J Math [Internet]. 2023 May 16 [cited 2024 May 20];:59-74. Available from: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/757