na INLIS000000000001344 20240705105453 0010-0724000015 ta 240705 0 1-85166-191-3 630 630 SPE a Spedding An Introduction to Agricultural Systems : Second Edition Kedua New York : Elsevier Applied Science, 1988 187 hlm : ilus ; 22.5 cm Agrikultur 23/I/2024