An article ID (1657) for MDPI's Pharmaceuticals journal regarding multi-target inhibitors.
Integrating digital technologies into the supply chain of natural ingredients. 121657
Digital tracking to reduce waste and monitor environmental impact. An article ID (1657) for MDPI's Pharmaceuticals journal
While the MPRA paper is the most direct match, "121657" also appears as an article ID in other scientific journals: 121657
The Digital Transformation of the Natural Ingredients Industry
The number most likely refers to a specific academic paper within the Munich Personal RePEc Archive (MPRA) , titled " The Digital Transformation of the Natural Ingredients Industry ."