Zafrullah, Ersa Mayola, Rizki Tika Ayuni and Cheequitha Adhelia 2023. Development of Instruments for Learning Independence for High School Students: Construct Validity and Reliability. Beginner: Journal of Teaching and Education Management. 1, 2 (Nov. 2023), 91–103. DOI:https://doi.org/10.61166/bgn.v1i2.40.