Organic Agriculture - J.C. Tarfdar; Mahesh Kumar K.P. Tripathi (Jodhpur Scientific Publishers ( India ), 2008)
J.C. Tarfdar; Mahesh Kumar & K.P. Tripathi: Organic Agriculture. Jodhpur. Scientific Publishers ( India ), 2008. 81-7233-505-2--(631.584TAR)
ENGLISH