गिबलिन, लेस = Giblin, Les व्यवहार कुशलता: आत्मविश्वास विकसित करने के कारगर सिद्धांत = How to have Confidence and Power in Dealing with People - भोपाल = Bhopal: मंजुल = Manjul; 2019 - 222p. ISBN: 9788183222396 Subjects--Topical Terms: Psychology and Interpersonal Communication-Relations Dewey Class. No.: 158.2 GIB