Elements of communication Process Elements of communication Process Please Login to view this lesson. Login Page Back to the course AEM701:Agricultural Extension Education Lessons Strategies to create effective communication in extension 05:51 Problems in Communication Process 06:55 Problems in Communication Process II 07:01 Concept and significance of instructional Materials in Extension 07:13 Classification of instructional materials 05:18 Description of instructional Materials In Agricultural Extension 08:28 General guidelines selection and effective utilization 06:10