🌐EnglishEnglishDeutschEspañolNederlandsPolskiРусскийالعربيةفارسی中文日本語EntityQ1865167· pop 11· linked from 23 articlesMiddle range theorysociological concept merging theory and empirical studyAvailable in 11 languagesEspañolDeutsch中文日本語РусскийالعربيةCzechNederlandsPolskiConnectionssociologyEntityInternational Standard Book NumberEntityCategoriesRobert K. MertonSociological theoriesUse Oxford spelling from February 2019