Kasiyan and B Muria Zuhdi (2019) “Utilising Lapindo Sidoarjo Mud and Mount Merapi Yogyakarta Ash as Alternative Materials for Earthenware and Stoneware Manufacture”, Wacana Seni Journal of Arts Discourse, 18, pp. 125–142. Available at: https://ejournal.usm.my/wacanaseni/article/view/ws-vol18-2019-6 (Accessed: 26 April 2025).