Khedutopayogee Sanshodhana Bhalamano 1994 (Gujarati)
Dr. B. T. Patel
Khedutopayogee Sanshodhana Bhalamano 1994 (Gujarati) - Ahmedabad Vistaran Shikshan Vibhag G. A. U. ahmeda 1994 - 65 p
Khedutopayogee Sanshodhana Bhalamano 1994 (Gujarati) - Ahmedabad Vistaran Shikshan Vibhag G. A. U. ahmeda 1994 - 65 p