TY - BOOK ID - 128279397 TI - Tutoraids PY - 1978 SN - 0877781249 PB - Englewood Cliffs (N.J.) : Educational Technology Publications, DB - UniCat KW - Programmed instruction. KW - Tutors and tutoring. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128279397 AB - ER -