Table 4.4.

Sustainable practices in sustainable sourcing literature.

Area	3BL	Details
Sustainable Sourcing	Social Sustainability	-Executing Supplier Codes of Conduct (SCC) under the buyer’s governance; -Evaluating suppliers under social and environmental criteria; -The government should take actions to balance the sustainability and profits issues in sustainable sourcing.
	Economic Sustainability	-Selecting suppliers with the supply of sustainable materials; -Adopting the approach of “Technique for Order of Preference by Similarity” to ideal solution for optimal supplier selection; -Using a “fuzzy inference system” for supplier’s evaluation and ranking in terms of sustainability index; -Outsourcing to international markets could benefits from cost savings, while local sourcing could obtain flexible capacity; -The government should take actions to balance the sustainability and profits issues in sustainable sourcing.
	Environmental Sustainability	-Evaluating suppliers under social and environmental criteria; -Employing the carbon emission tax schemes to reduce the carbon footprints in the sustainable sourcing; -The government should take actions to balance the sustainability and profits issues in sustainable sourcing.