Ekkawit Saenkhum. (2005) Development of appropriate educational tools and safe production processes for food products packed in hermetically sealed containers for the cottage industry in Thailand. Mahidol University,:ม.ป.ท.Ekkawit Saenkhum. 2005. Development of appropriate educational tools and safe production processes for food products packed in hermetically sealed containers for the cottage industry in Thailand. ม.ป.ท.:Mahidol University,;Ekkawit Saenkhum. Development of appropriate educational tools and safe production processes for food products packed in hermetically sealed containers for the cottage industry in Thailand. ม.ป.ท.:Mahidol University, 2005. Print.