Aulia Pramesti, A., Nur’eni, and Iman Setiawan. “INTERPOLTION OF SULFUR DIOXIDE (SO2) AND NITROGEN DIOXIDE (NO2 ) IN YOGYAKARTA SPECIAL PROVINCE USING THE COKRIGING METHOD ”. Tadulako Science and Technology Journal , Vol. 4, no. 1, Dec. 2023, pp. 22-34, https://bestjournal.untad.ac.id/index.php/sciencetech/article/view/16392.