Before revision: Instead there are four possible combinations, each of which represents a different extension paradigm, as follows: Technology transfer (persuasive + paternalistic): This paradigm was prevalent in colonial times and reappeared in the 1970s and 1980s when the "Training and Visit" system was established across Asia.
After revision: ,Instead there are four possible combinations, each of which represents a different extension paradigm, as follows: Technology transfer (persuasive + paternalistic): This paradigm was prevalent in colonial times and reappeared in the 1970s and 1980s when the "Training and Visit" system was established across Asia.