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Puteri A, Wijaya TH, Wasito H. Chemometric analysis of fingerprinting derivative spectrophotometry for authentication of shallots. ijobas [Internet]. 2024 Sep. 29 [cited 2026 Jun. 19];13(2):74-83. Available from: https://ijobas.pelnus.ac.id/index.php/ijobas/article/view/406