what are the challenges of green supply chain management?
['3.1 Poor quality of human resource. ... ', '3.2 Inadequate pressure from various societies. ... ', '3.3 Poor legislation. ... ', '3.4 Lack of direct incentives. ... ', '3.5 Financial constraints. ... ', '3.6 Technical barriers. ... ', '3.7 Lack of management commitment. ... ', '3.8 Lack of employee commitment.']