"SANGMANEE" . "By-NC-ND 4.0" . "Book in library with open textbook,education learning concept"@en . "Book in library with open textbook,education learning concept"@de . "Book in library with open textbook,education learning concept"@es . "Book in library with open textbook,education learning concept"@fr . "Book in library with open textbook,education learning concept"@nl . . .