Assessment of effects of structural rigidity of liquid rocket-engine chamber on characteristics of thrust-vector control Journal title: Технічна механіка, Техническая механика, Technical Mechanics Authors: N. Kovalenko, Ye. Tokareva Subject(s):
ON THE ISSUE OF PERIODIZATION OF SCHOOL BIOLOGICAL EDUCATION IN UKRAINE: PAST AND PRESENT Journal title: Наука і освіта Authors: Nina Ivanivna Novykova Subject(s):