Business Statistics For B.Com (Hons.) IInd Semester of Binod Bihari Mahato Koylanchal University, Nilamber Pitamber University , Ranchi University & B.Com (Hons.) IVth Semester of Sido Kanhu Murmu University, Vinoba Bhave University(Hindi, Paperback, Dr. S.M. Shukla, Dr. Shiv Pujan Sahai)