Hayati, Siti, Suandi Sidauruk, and Abudarin. “Student Difficulties in Understanding Limiting Reagents in North Barito Regency High Schools and Palangka Raya City in 2015/2016 Academic Year”. Jurnal Ilmiah Kanderang Tingang 9, no. 2 (December 31, 2018): 114-132. Accessed August 24, 2025. https://chem-upr.education/ojs/index.php/JIKT/article/view/11.