W. Widiyastuti, author
Effects of the duration of ultrasonic irradiation and the atmospheric environment on the characteristics of zno nanostructures via a sonochemical method
Faculty of Engineering, Universitas Indonesia, 2016
 Artikel Jurnal
Science in progress / edited by Wallace R. Brode
Yale University Press, 1963
 Buku Teks
Methodology of social science research / edited by Sugata Dasgupta
Impex India, 1967
 Buku Teks
Rosnow, Ralph L., author
Understanding Behavioral Science / Ralph L. Rosnow and Robert Rosenthal
McGraw-Hill, 1984
 Buku Teks
Levin, Richard I., author
Quantitative approaches to management / Richard L. Levin, Charles A. Kirkpatrick, David S. Rubin
McGraw-Hill International Book Company, 1982
 Buku Teks