Darmawan, I Gusti, School of Education, The University of Adelaide, Adelaide (Australia)
Dasna, I Wayan, Departement of Chemistry, Faculty of Mathematics and Natural Science, Universitas Negeri Malang (Indonesia)
Dönmez Usta, Necla, Faculty of Education, Giresun University, Giresun (Turkey)
De la Cruz, Robert John De los Reyes, Department of Education Division of Rizal-Curriculum Implementation Division (Philippines)
Demboh, Primus, Ministry of Secondary Education, Cameroon Government, Yaoundé (Cameroon)
Demirkol, Kaan, Ministry of National Education, Kırşehir (Turkey)
Deniş-Çeliker, Huriye, Department of Mathematics and Science Education, Faculty of Education, Burdur Mehmet Akif Ersoy University, Burdur (Turkey)
Dere, Seda, Hamidiye Secondary School, Afyonkarahisar (Turkey)
Derman, Mustafa, Department of Secondary Science and Mathematics Education, Kâzım Karabekir Education Faculty, Atatürk University, Erzurum (Turkey)
Devecioğlu, Gamze, Department of Mathematics & Science Education, Faculty of Education, Gazi University, Ankara (Turkey)
Diana, Farah, Department of Science Education, Graduate School, Universitas Syiah Kuala (Indonesia)
Dilmen, Irem, Primary Teacher, Ministry of National Education, Hakkari, Turkey (Turkey)
Dinata, Putri Zukhruf, Department of Computer Science Education, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia, Bandung (Indonesia)
dolapcioglu, sevda, Faculty of Education, Mustafa Kemal University, Hatay (Turkey)
Dolu, Gamze, Mathematics and Science Education Department, Necatibey Education Faculty, Balıkesir University (Turkey)
Doğru, Mustafa, Fen Bilimleri Eğitimi Bölümü, Eğitim Fakültesi, Akdeniz Üniversitesi (Turkey)
Duran, Meltem, Department of Pre-School Education, Faculty of Education, Giresun University, Giresun (Turkey)
Durel, Ebru, Ministry of Education (Turkey)
Durkan, Elif, Ağrı Doğubayazıt Gürbulak Atatürk Primary School, Ağrı (Turkey)
Durukan, Alper, Department of Science Education, Faculty of Education, Van Yuzuncu Yil University, Van (Turkey)
Durukan, Ümmü Gülsüm, Department of Elementary Education, Faculty of Education, Giresun University, Giresun, Turkey (Turkey)