Zafrullah, Ersa Mayola, Rizki Tika Ayuni, Cheequitha Adhelia. Development of Instruments for Learning Independence for High School Students: Construct Validity and Reliability. bgn [Internet]. 2023 Nov. 28 [cited 2024 Oct. 6];1(2):91-103. Available from: https://beginner.my.id/index.php/i/article/view/40