00587naa#a2200193#i#450# EN\\bibl\30200 20201030040426.5 2071-7318 20191107b2019####ek#y0engy0150####ca RUS RU ARCHITECTURAL AND PLANNING PRINCIPLES OF FITNESS CENTERS ORGANIZATION Article Belgorod Belgorod State Technological University named after V.G. Shukhov 2019 8 с. Article local Zhdanova I. V. Kuznetsova A. A. Mikhailina P. I. bulletinbstu.editorum.ru