Purnama D. Pengembangan e-LKS Berbasis Metakognisi Menggunakan 3D PageFlip Pada Materi Reaksi Redoks. Ind. Jou. Edu. Rsc [Internet]. 2021Feb.26 [cited 2024Jul.22];2(1):12-8. Available from: https://cahaya-ic.com/index.php/IJoER/article/view/517