00733naa#a2200169#i#450# EN\\bibl\15147 20250712232339.6 20250428b2025####ek#y0engy0150####ca RU THE STUDY OF THE ROLE OF ECONOMIC AND PROFESSIONAL KNOWLEDGE IN PLANNING A BUSINESS: A CASE STUDY OF OPENING AN OPTICAL SALON Conference article/thesis Moscow Autonomous Non-Profit Educational Organization of Higher Education "Kuban Institute of Vocational Education" 2025 4 с. Conference article/thesis local МЕДИЦИНА И ЗДРАВООХРАНЕНИЕ. 76.00 grnti Andreeva Elena Alekseevna Stepanov Sergey Yurievich kipo.editorum.ru