Dipti Devi Phukan, Laboratory practical & field report(A) By Dipti Devi Phukan - 2nd ed. - Jorhat: Unika prakashan, 2015. - 240p. ISBN: 9789382030737 Subjects--Index Terms: Education Parikshagarar bybaharik shiksha aru kshetra pratibedan Dewey Class. No.: 370