Orawan Tripak. 2000. Matrix transformations between vector-valued of sequence spaces. Field of Study Mathematics, Chaing Mai University;
Orawan Tripak. (2000) Matrix transformations between vector-valued of sequence spaces . Chaing Mai University/Chiang Mai.
Orawan Tripak. Matrix transformations between vector-valued of sequence spaces. . Chiang Mai:Chaing Mai University, 2000.
Orawan Tripak. (2000) Matrix transformations between vector-valued of sequence spaces . Chaing Mai University/Chiang Mai.