Kaeni, Oscar, CV. Ardhipta Sona Persada (Indonesia)
Kahar, Muhammad Syahrul, Universitas Muhammadiyah Sorong (Indonesia)
Kaltsum, Ummi, Universitas PGRI Semarang (Indonesia)
Kaniawati, Ida, Universitas Pendidikan Indonesia (Indonesia)
Kariadinata, Rahayu, UIN Sunan Gunung Djati Bandung (Indonesia)
Kartika, Ika, UIN Sunan Kalijaga Yogyakarta (Indonesia)
Kartina, Lia, Jambi University (Indonesia)
Kasesaz, Yaser, Nuclear Science and Technology Research Institute (Iran, Islamic Republic of)
Khaeruddin, Khaeruddin, Universitas Negeri Makassar (Indonesia)
Khasyyatillah, Isra, The National University of Malaysia, Science Education Department, Malaysia (Malaysia)
Khoiri, Ahmad, Universitas Sains Al Qur'an (Indonesia)
Khoiriyah, Khilyatul, Madrasah Aliyah NU Demak (Indonesia)
Kholid, Idham, Program Pascasarjana, Universitas Islam Negeri Raden Intan Lampung (Indonesia)
Kholidah, Anisia, Universitas Negeri Semarang (Indonesia)
Khosiyatun, Nur, Universitas Negeri Yogyakarta (Indonesia)
Komikesari, Happy, Universitas Islam Negeri Raden Intan Lampung (Indonesia)
Kurnianto, Fajar, Magister Pendidikan Fisika. Fakultas MIPA Universitas Negeri Yogyakarta (Indonesia)
Kurniawan, Dwi Agus, Universitas Jambi (Indonesia)
Kurniawan, Dwi Agus, Jambi University (Indonesia)
Kurniawan, Wawan, Universitas PGRI Semarang (Indonesia)
Kurniawan, Widodo Budi, Universitas Bangka Belitung (Indonesia)
Kurniawan, Widodo Budi, Physics Department, Bangka Belitung University, Pangkal Pinang, Indonesia (Indonesia)
Kurniawan, Yudi, STKIP Singkawang (Indonesia)
Kusairi, Sentot, State University of Malang (Indonesia)
Kusairi, Sentot, Universitas Negeri Malang (Indonesia)
Kusuma, Hamdan Hadi, Physics Department, Faculty of Science amd Technology, Universitas Islam Negeri Walisongo Semarang (Indonesia)
Kusuma, Hamdan Hadi, Universitas Islam Negeri Walisongo Semarang (Indonesia)
Kuswanto, Heru, Yogyakarta State University (Indonesia)
Kuswanto, Heru, Universitas Negeri Yogyakarta (Indonesia)