TY - BOOK AU - Rogers, Alan TI - The Base of the Iceberg: Informal Learning and Its Impact on Formal and Non-formal Learning KW - Informal learning||lifelong learning||continuing education||Frame of reference||Iceberg||Nonformal learning UR - https://library.oapen.org/bitstream/20.500.12657/29434/1/9783847402589.pdf||https://library.oapen.org/bitstream/20.500.12657/29434/1/9783847402589.pdf||https://library.oapen.org/bitstream/20.500.12657/29434/1/9783847402589.pdf ER -