# Coal pillar size design and surrounding rock control techniques in deep longwall entry

> Research article (Arabian Journal of Geosciences, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3034360542](https://www.wikidata.org/wiki/openalex:W3034360542)  
**Source**: https://4ort.xyz/entity/coal-pillar-size-design-and-surrounding-rock-control-techniques-in-deep-longwall-entry