Winarti, - and Santi Eka Ambaryani, - and Himawan Putranta, -  (2022) Improving Learners’ Metacognitive Skills with Self-Regulated Learning based Problem-Solving.  International Journal of Instruction, 15 (1).  pp. 139-154.  ISSN e-ISSN: 1308-1470 p-ISSN: 1694-609X