Pardjono Pardjono
Yogyakarta State University
Indonesia

Pardjono was born on 2 September 1953. He currently works as a senior lecturer in the Faculty of Engineering and Graduate School of Yogyakarta State University. He graduated achieving bachelor degree in 1977 from Yogyakarta Institute of Teacher Education and Educational Sciences (recently known as Yogyakarta State University), Indonesia, majoring in Mechanical Engineering Education. In 1986, he attained master degree in Industrial Arts and Technology Education from State University of New York, USA. His doctoral degree in Cognitive Education was attained in 2000 from Deakin University, Australia.

Sugiyono Sugiyono
Yogyakarta State University
Indonesia

Sugiyono was born on 14 December 1953. He works as a senior lecturer in the Faculty of Engineering, Yogyakarta State University, Indonesia. He attained his bachelor degree in 1977 from Yogyakarta Institute of Teacher Education and Educational Sciences (recently known as Yogyakarta State University) majoring in Mechanical Engineering Education. In 1985, he achieved his master degree from Bandung Institute of Teacher Education and Educational Sciences (recently known as Indonesian University of Education) majoring in Educational Management. His doctoral degree was attained in 1990 from the same major and university.

Aris Budiyono
Semarang State University
Indonesia

Aris Budiyono was born on 5 April 1967. He worked as a lecturer in the Department of Mechanical Engineering, Faculty of Engineering, Semarang State University. He attained his doctoral degree in 2015 from Yogyakarta State University, majoring in Vocational Education.