id author title date pages extension mime words sentence flesch summary cache txt crl-13101 Laird, W. David Public Knowledge, Private Ignorance: Toward a Library and Information Policy (Book Review) 1978-01-01 2 .pdf application/pdf 1432 71 59 These are based on an overall estimate of 10 percent of total student learning time during which the stu- dent is under the stimulus of learning re- sources (p.54) for television production services, photography production services, graphic services, programmed instruction, television presentation services, self- instructional units, projection, audio, and film rental services, instructional develop- ment service, and internal planning and administration. There is no conve- nient way to simplify his arguments, but the reader will see that Wilson makes an almost invincible case for information experts. cache/crl-13101.pdf txt/crl-13101.txt