Adams, .
Agricultural extension in developing / Textual Documents Adms. - 1 / . - London : Longman , 1982. - 106 ; .
0 582 65025 9
630.7 / ADA/AG
Agricultural extension in developing / Textual Documents Adms. - 1 / . - London : Longman , 1982. - 106 ; .
0 582 65025 9
630.7 / ADA/AG