Principle of Statistics by Dr. Alok Gupta: SBPD Publications

Advanced Statistics for various by Dr. Alok Gupta: SBPD Publications

Business Mathematics by Alok Gupta: SBPD Publications

Business Mathematics by Dr. Alok Gupta: SBPD Publications

Business Statistics

Business Mathematics: Latest Edition

Practical Problems In Business Statistics by Dr. V. C. Sinha, Dr. Alok Gupta, Dr. Sunil Kumar Gupta ( SBPD Publications )