1.
Muhammad. Effect of Use of Sodium Hydroxide (NaOH) on Geopolymer Making Using Perlit Materials, Basalt, Feldspart. novan [Internet]. 2019Apr.1 [cited 2025Apr.24];7(1):97. Available from: https://jurnal.balitbangda.lampungprov.go.id/index.php/jip/article/view/126