da Silva, Maria Luisa, Ornithology and Bioacoustics Laboratory, Federal University of Pará, Belém, Pará State, Brazil
Das, Pabi Maya, Darla Middle Secondary School, Chukha, Bhutan
Davidsson, Eva, Faculty of Education and Society, Natural Science and Mathematics Society, Malmö University, Malmö, Sweden
Dayaganon, Avee Joy, College of Pharmacy and Chemistry, University of the Immaculate Conception, Davao City, Philippines
De Beer, Josef, Research Unit Self-Directed Learning, North-West University, Potchefstroom, South Africa
Dega, Bekele Gashe, Ambo University
Degeng, I Nyoman Sudana , Department of Education Technology, Faculty of Education, State University of Malang, Indonesia
Dejene, Kassahun, Department of Science and Mathematics Education, College of Education and Behavioral studies, Addis Ababa University, Addis Ababa, Ethiopia
Demir, Kadir, Department of Middle and Secondary Education, Georgia State University, Atlanta, Georgia, USA
Demir, Kadir, Georgia State University
Demirci, Tuba, Science Education, Faculty of Education, Alanya Alaaddin Keykubat University, Alanya, Turkey
Demirci, Tuba, Science Education, Faculty of Education, Alanya Alaaddin Keykubat University, Turkey
Demirdöğen, Betül, Department of Mathematics and Science Education, Zonguldak Bulent Ecevit University, Zonguldak, Turkey
Deniş Çeliker, Huriye, Science Education Department, Education Faculty, Burdur Mehmet Akif Ersoy University, Burdur-Turkey
Didis Korhasan, Nilüfer, Faculty of Education, Department of Mathematics and Science Education, Physics Education Major, Zonguldak Bülent Ecevit University, Turkey
Didiş Körhasan, Nilüfer, Department of Basic Education, Zonguldak Bülent Ecevit University, Karadeniz Ereğli-Zonguldak, Turkey
Didiş Körhasan, Nilüfer, Department of Mathematics and Science Education, Faculty of Education, Zonguldak Bülent Ecevit University, Zonguldak, Turkey
Dogan, Nihal, Department of Mathematics and Science Education, Faculty of Education, Bolu Abant Izzet Baysal University, Bolu, Turkey,
Doğru, M. Said, Department of Medical Services and Techniques, Arac Rafet Vergili Vocational School of Higher Education, Kastamonu University, Kastamonu, Turkey
Dollete, Lea F. , President Ramon Magsaysay State University, Botolan, Philippines
Domingo , Amy Phil , College of Teacher Education, President Ramon Magsaysay State University, Zambales, Philippines
Donmez, Ismail, Ministry of National Education, Turkey
Dönmez Usta, Necla, Faculty of Education, Giresun University, Giresun, Turkey
Drewes, Andrea, University of Delaware, School of Education, 113 Willard Hall Education Building, Newark, DE, USA
Dudu, Washington Takawira, North-West University, Faculty of Education, Self-Directed Learning Research Unit, Potchefstroom, RSA

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