small nucleolar ribonucleoprotein complex assembly, box C/D snoRNP assembly, ribonucleoprotein complex biogenesis,ribonucleoprotein complex assembly, cellular macromolecular complex subunit organization, cellular macromolecular complex assembly, macromolecular complex subunit organization, macromolecular complex assembly,
extracellular exosome,pre-snoRNP complex,