# Determination of Chlorophyll and Hardness in Cucumbers by Raman Spectroscopy with Successive Projections Algorithm (SPA) – Extreme Learning Machine (ELM)

> Research article (Analytical Letters, 2022) · cited 14× · AI/ML

**Wikidata**: [openalex:W4296456483](https://www.wikidata.org/wiki/openalex:W4296456483)  
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