Urea : A Versatile Fertilizer and Feed Additive - Lokesh Gupta; J.L. Chaudhary R.K. Dhuria L.L. Somani (Udaipur Agrotech Publishing Acadamy, 2011)
Lokesh Gupta; J.L. Chaudhary; R.K. Dhuria & L.L. Somani: Urea : A Versatile Fertilizer and Feed Additive. Udaipur. Agrotech Publishing Acadamy, 2011. 81-8321-218-2 Rs. 1280.00--(631.841GUP)
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