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BS ISO 20611:2018

Действующий

Adventure tourism. Good practices for sustainability. Requirements and recommendations.

20 · PDF

50 €

ISO 2061:1972

Отменён

Textiles — Determination of twist in yarns — Direct counting method

7 · PDF

25 €

ISO 20611:2018

Действующий

Adventure tourism — Good practices for sustainability — Requirements and recommendations

Overview ISO 20611:2018 - Adventure tourism - Good practices for sustainability - Requirements and recommendations provides practical guidance for adventure tourism activity providers to plan and ope…

10 · PDF

25 €