Zulkardi, Z.; Putri, R. I. I. .; Alwi, Z. .; Nusantara, D. S. .; Ambarita, S. M. .; Maharani, Y. .; Puspitasari, L. . How Students Work With Pisa-Like Mathematical Tasks Using Covid-19 Context. j. math. educ. 2020, 11, 405-416.