| http://www.w3.org/ns/prov#value | - http://hotfile.com/dl/207928762/02ef7dd/All_aspects_of_the_production_and_marketing_of_duck_meat_and_eggs_a_study_tour_to_the_USA_China_and_other_Far_East_countries__report.pdf.html 'All aspects of the production and marketing of duck meat and eggs' a study tour to the USA, China and other Far East countries : report.pdf ebook, pdf, Ducks., Waterfowl culture.,
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