TY - BOOK AU - Ramaprasad Das TI - Sanketik yuktivijnan: Vidheyakalan, ekamanak vakya o yukti SN - 9798124705994 U1 - 160 21st PY - 1986/// [reprinted 2006] CY - Kolkata PB - West Bengal State Book Board KW - Logic N1 - includes bibliographical references and index ER -