Jaga Praveen Kumar & Singh Bharat. (2016). Soil Fertility Fertilizers and Agrochemicals. Daya Publishing House.
Chicago-viite (17. p.)Jaga Praveen Kumar ja Singh Bharat. Soil Fertility Fertilizers and Agrochemicals. New Delhi: Daya Publishing House, 2016.
MLA-viite (9. p.)Jaga Praveen Kumar ja Singh Bharat. Soil Fertility Fertilizers and Agrochemicals. Daya Publishing House, 2016.
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