education and training of users of scientific and technical information ; UNISIST guide for teachers
Evans, A. J.
education and training of users of scientific and technical information ; UNISIST guide for teachers - Paris : UNESCO, 1977 - 143 p.
42774
Bibliotecas--Orientación a los usuarios.
025.5 / E8
education and training of users of scientific and technical information ; UNISIST guide for teachers - Paris : UNESCO, 1977 - 143 p.
42774
Bibliotecas--Orientación a los usuarios.
025.5 / E8
