Author — Ekaterina Vakhrusheva (Saint Petersburg, Russian Federation)
Author — Muhmmad Nur Alamsyah (Wonogiri, Indonesia)
Author — Pasha Karelin (--, Ukraine)
Author — Ali Hamidi (Serang, Indonesia)
Author — Dmitri Voloshin (Chisinau, Moldova), Andrey Kudryavtsev (Irkutsk, Russian Federation)
Author — Rony Rizki Jaya (Lamongan, Indonesia)
Author — Mariia Pavlova (Saint Petersburg, Russian Federation)
Author — Wahyu Hadi (Kediri, Indonesia)
Author — Anton Moglia, Jérémy Landes (Berlin, Germany), Maksym Kobuzan (Kyiv, Ukraine)
Author — Rian Rahardi (Depok, Indonesia)