Fauza Adelma Syafrizal, Rahmat Izwan Heroza, Ermatita, Mgs. Afriyan Firdaus, Pacu Putra, Lovinta Happy Atrinawati and Monterico Adrian 2022. Using ISO 9241-11 To Identify How E-Commerce Companies Applied UX Guidelines. Inform : Jurnal Ilmiah Bidang Teknologi Informasi dan Komunikasi. 7, 1 (Jun. 2022), 9-15. DOI:https://doi.org/10.25139/inform.v7i1.4443.