# An Intelligent Three-Level Digital Watermarking Method for Document Protection

> Research article (Mehran University Research Journal of Engineering and Technology, 2021) · cited 10× · AI/ML

**Wikidata**: [openalex:W3142290749](https://www.wikidata.org/wiki/openalex:W3142290749)  
**Source**: https://4ort.xyz/entity/an-intelligent-three-level-digital-watermarking-method-for-document-protection