"Sociaal recht. Arbeidsrecht." . . "Sociologie van de arbeid." . . . . . . . . . . . . "Social partnership or class struggle? theory, legislation, practice. socialnoe partnerstvo ili klassovaja borba?" . . . . . "Social partnership or class struggle? : Theory, legislation, practice" . . . . "Social Partnership or class struggle?" . "Sot︠s︡ialʹnoe partnerstvo ili klassovai︠a︡ borʹba?" . . "Social partnership or class struggle? Theory, legislation, practice" . . .