Singh, Arun Kumar. HISTORY AND SYSTEMS OF PSYCHOLOGY : Manovigyan ke sampraday evam itihas / By Arun Kumar Singh, Ashish Kumar Singh. - 1st Ed. - DELHI : Motilal Banarsidas, 2019. - 526p. ; 00 cm. ISBN: 9788120821910 Subjects--Topical Terms: Psychology. Dewey Class. No.: 150.9 / SIN