Redha, Muhammad Ala, et al. “Optimizing Corn-Starch–Bonded Palm Shell Biochar Briquettes for Circular Bioenergy Applications”. CIRCULIZER: Journal of Circular Systems, Innovation, and Technology, vol. 1, no. 1, Feb. 2026, pp. 20-38, https://doi.org/10.62671/circulizer.v1i1.246.