Widarti, Erni, Dadang Eman, and Suyoto Suyoto. “User-Centered Design for Mobile Apps Guide Service Heritage Tourism in Indonesia”. International Journal of Interactive Mobile Technologies (iJIM) 14, no. 16 (September 22, 2020): pp. 87–100. Accessed November 21, 2024. https://online-journals.org/index.php/i-jim/article/view/11312.