Sharma, Prem creator Kathmandu Kriti Prakashan, Nepal 2007 3rd rev. ed. Eng 389p. illus. Bibliography: p. 327-334 2008-08-05 T M Social sciences Social research Research Field work Research methodology Handbooks Manuals 300.72 Sh23h 978-99946-730-2-5 20120907085349.0