DARMA, I Ketut; KARMA, I Gede Made; SANTIANA, I Made Anom. Validity and Practicality Test of Applied Mathematics Digital Teaching Materials for Blended Learning for Polytechnic Students. Soshum: Jurnal Sosial dan Humaniora, [S.l.], v. 11, n. 1, p. 44-53, mar. 2021. ISSN 2088-2262. Available at: <https://ojs.pnb.ac.id/index.php/SOSHUM/article/view/2294>. Date accessed: 26 apr. 2024. doi: http://dx.doi.org/10.31940/soshum.v11i1.2294.