Reaction and Mechanism Singh, Maya Shankar creator Raghuvanshi , Keshav text Uttar pradesh Pearson India Education Services Pvt, Ltd 2021 Second Edition monographic xxvii, 668p. Index 23cm.(pbk) Maya shankar Singh and Keshav Raghuvanshi 547 9789354490781 ENG-132273 DBAD/PUB 20220412114821.0