1.
Ramadhani A, Ulfia F. Berpikir Positif dan Kepercayaan Diri terhadap Kualitas Hidup. basicedu [Internet]. 2022 May 26 [cited 2024 Nov. 5];6(3):5447-55. Available from: https://jbasic.org/index.php/basicedu/article/view/2762