Sangay และ Lhendup. (2009) Development and evaluation of a corn roasting machine for a small scale production of cornflake (tengma) in Bhutan /. Kasetsart University,:ม.ป.ท.Sangay และ Lhendup. 2009. Development and evaluation of a corn roasting machine for a small scale production of cornflake (tengma) in Bhutan /. ม.ป.ท.:Kasetsart University,;Sangay และ Lhendup. Development and evaluation of a corn roasting machine for a small scale production of cornflake (tengma) in Bhutan /. ม.ป.ท.:Kasetsart University, 2009. Print.