1.
Azhar Shiddiq M, Pudjihastuti I. Making Silica Gel by Utilizing Candlenut and Palm Oil Shell Ash. Eduvest [Internet]. 2021Mar.15 [cited 2025Jul.5];1(3):133-41. Available from: http://www.eduvest.greenvest.co.id.submitjurnal.id/index.php/edv/article/view/24