Liviandra, Monica, Z K Abdurahman Baizal, and Ramanti Dharayani. 2021. “Conversational Recommender System for Impromptu Tourists to Recommend Tourist Routes Using Haversine Formula”. JURNAL MEDIA INFORMATIKA BUDIDARMA 5 (4):1224-32. https://doi.org/10.30865/mib.v5i4.3229.