BIO Web of Conferences

Synthesis of ZnO and SnO₂ catalysts using roselle flower extract for biodiesel production from waste cooking oil

Maisari Utami, Izzaty Fauziya Salwa and Marisa

BIO Web Conf., 226 (2026) 01007

Published online: 06 March 2026

DOI: 10.1051/bioconf/202622601007

Maisari Utami

Izzaty Fauziya Salwa

Marisa

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