About: voluntary standard

Premodifier: voluntary
Head noun: standard

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
iso 14001	isap:331245052	0.442027
iso 50001	isap:331244936	0.412710
leed	isap:460744500	0.312776
protocol	isap:58680606	0.307182