Formation of a mechanism for conducting marketing research in the sphere of recreational services : Based on the example of health resort complexes of Moscow Oblast
Ruchka, Sergey Ivanovich, 1998, Candidate of Sciences dissertation
Formation of a mechanism for conducting marketing research in the sphere of recreational services : Based on the example of health resort complexes of Moscow Oblast — Ruchka, Sergey Ivanovich — 1998 — Russian Dissertation Library