Concise manual of organic product certification. Concise manual of organic product certification 并列题名：Concise manual of organic product certification Risk control of green product certification 并列题名：Risk control of green product certification Good practice for product certification Development of organic industry and organic product certification in China Practical manual of oral interpretation. You ji chan pin ren zheng jian ming shou ce/: Concise manual of organic product certification, you ji chan pin ren zheng jian ming shou ce/: concise manual of organic product certification,