2013-11-202015-09-142013-11-202015-09-141984-06ගොවි කටයුතු අධ්‍යයනය, 01(1), පි.53-54https://dl-harti.nsf.gov.lk/handle/1/752https://dl-harti.nsf.gov.lk/handle/1/2545otherArticle