杜陵

市場調查理論與實務：良好的市場調查具有引導生產.開拓市場的功能 by: 杜陵 (Language materials, printed) , [編著]

現代謀略學 by: 杜陵 (Language materials, printed) , [著]

抽樣理論研究 by: 杜陵 (Language materials, printed) , [著]

謀略理論與作為之研究 by: 杜陵 (Language materials, printed) , [著]