DARMA, I Ketut et al. Need Analysis for Developing Applied Mathematics Teaching Materials Based on Blended Learning to Improve Communication and Problem Solving Abilities by the Students of State Polytechnic of Bali. Soshum: Jurnal Sosial dan Humaniora, [S.l.], v. 10, n. 2, p. 183-196, july 2020. ISSN 2088-2262. Available at: <https://ojs.pnb.ac.id/index.php/SOSHUM/article/view/1832>. Date accessed: 27 apr. 2024. doi: http://dx.doi.org/10.31940/soshum.v10i2.1832.