Bektenov Nesiphan Abzhaparovich, Murzakassymova Nazgul Sattarkulovna, Gavrilenko Mikhail Alekseevich и Nurlybayeva Аisha Nurlybayevna (2020) «PRODUCTION OF SULFOCATIONITE BY MODIFICATION OF NATURAL COAL WITH CONCENTRATED SULFURIC ACID», Academic Scientific Journal of Chemistry, (3), сс. 104–109. доступно на: http://89.250.84.46/chemistry-technology/article/view/982 (просмотрено: 5 декабрь 2025).