Ni Putu Praja Chintya, Wahyu Marta Mutiarasari, Waljiyanto, Dhany Yudi Prasetyo, and Wulan Ratna Mayangsari. “VALUASI UALITAS EMATIK ETA ENGGUNAAN AHAN ANG IPEROLEH ARI ATA OLUNTEERED EOGRAPHIC NFORMATION tudi asus i ota ogyakarta: (Thematic uality ssessment of and-se ap erived from olunteered eographic nformation ata, ase tudy in ogyakarta ity)”. eomatika, vol. 28, no. 1, June 2022, pp. 51-60, https://jurnal.big.go.id/gm/article/view/28.