Ariyani, Sri, et al. “Analysis of Functional Suitability and Usability in Sales Order Procedure to Determine Management Information System Quality”. INTENSIF: Jurnal Ilmiah Penelitian Dan Penerapan Teknologi Sistem Informasi, vol. 5, no. 2, Aug. 2021, pp. 234-48, https://doi.org/10.29407/intensif.v5i2.15537.