: Research by N. F. Efremova (2012) discusses the ratification of different levels of education. How to Access (Skachat Knigi) For legal academic downloads:
: Use the ResearchGate database to find and request full-text versions of papers by Efremova. skachat knigi i efremova
The name Efremova frequently appears in linguistic papers, particularly concerning word formation and educational standards. : Research by N