Ithiphol Ekahitanonda. ม.ป.ป. Improving the estimated area of rice cultivation by classification techniques. , ม.ป.พ.;
Ithiphol Ekahitanonda. (ม.ป.ป.) Improving the estimated area of rice cultivation by classification techniques . ม.ป.พ./ม.ป.ท.
Ithiphol Ekahitanonda. Improving the estimated area of rice cultivation by classification techniques. . ม.ป.ท.:ม.ป.พ., ม.ป.ป.
Ithiphol Ekahitanonda. (ม.ป.ป.) Improving the estimated area of rice cultivation by classification techniques . ม.ป.พ./ม.ป.ท.