SITI MUAWANAH, SUYITNO MUSLIM, ZULFIATI SYAHRIAL 2025. THE EFFECT OF FLIPPED CLASSROOM AND METACOGNITIVE KNOWLEDGE TO IMPROVE LEARNING OUTCOMES: IN VOCATIONAL SCHOOLS. TPM – Testing, Psychometrics, Methodology in Applied Psychology. 32, S6(2025): Posted 15 Sept (Sep. 2025), 1672–1681.