(12) 40.9 SEN, SUKUMAR BHASAR ITIBRITTA ( BEN ) / / S. SEN. - 7TH ED. - KOLKATA: : EASTERN PUB,, 1962. . 15TH ED / 1987 / 421 P/ 50/- ; 18706 - 5TH ED / 1987 / 421 P / 50/-. * ITIHAS - BHASA.