Tigas Laila Nurpratiwi, Rini Setianingsih. STUDENTSÃ¢â‚¬â„¢ THINKING PROCESSES IN SOLVING OPEN-ENDED PROBLEMS USING ONLINE LEARNING TAKING INTO ACCOUNT THE MATHEMATICAL ABILITY. PMEJ [Internet]. 2021 Mar. 30 [cited 2024 Nov. 23];4(1):20-3. Available from: http://ejournal.unikama.ac.id/index.php/pmej/article/view/5288