na INLIS000000000002176 20240813093832 0010-0824000572 ta 240813 0 0-8134-2236-1 659.3 659.3 HER c Herbert F. Lionberger Communication Strategies : A Guide for Agricultural Change Agents Pertama Illinois : The Interstate, 1982 239 hlm : - ; 27 cm Komunikasi Paul H. Gwin 484/K/2024