Vol. 2 No. 2: (July - December 2022)

Research Article

• Comparison of Technical Efficiency of Large-scale Fields Member and Non-member in the Upper Northern Region

  Aree Cheamuangphan, Montri Singhavara, Aussawin Phaoumnuaywit

  13-22

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• Demands and Attitudes of Producers and Consumers towards Moringa Oleifera leaf extract in Pig Feedingand Bearish Market Situations

  Nantapat Nittayapongchai, Visit Ketpanyapong, Kulisara Marupanthorn, Phimchanok Sangkaew, Nattawannathorn Thaijarean, Pasin Maruphanton

  23-37

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• A Study on Willingness to Pay for Air Pollution (PM 2.5) Reduction in Chiang Mai Province

  Wantanee Rungruangwattanakul, Chatchai Khiewngamdee

  38-48

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• The Effect of Marketing Factors and Brand Image Toward Repurchase Decision of Lottery Saving in Chiang Mai Province

  Sujitra Kumgumpol

  49-59

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• The Effects of Marketing Mix and Service Quality on Customers’ Loyalty of Loan Services at Kasikorn Bank, Lampang Province

  Nathamon Tipsuk, Pithoon Thanabordeekij

  60-71

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