1. http://www.snowman.in/services.html
2. Rajiv Kumar, Cold Chain and Frozen Food Distribution System: A Brief, http://www.st.reet direc-tory.com/food-editorials/meals/food/cold_chain_and_frozen_food_distribution_system_a_ <http://tory.com/food-editorials/meals/food/cold_chain_and_frozen_food_distribution_system_a:UNC_gt;brief.html.
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