1. C. Maneesawarng and Y. Lenbury, Total curvature and length estimate for curves in CAT(K) spaces, Differential Geometry and Its Applications, 19(2) 2003, 211-222.

2. W. Karuwannapatana and C. Maneesawarng, The lower semi-continuity of total curvature in spaces of curvature bounded above, East-West Journal of Mathematics, 9(1) 2007, 1-9.

3. A. Sama-Ae and C. Maneesawarng, Sectional curvature of spheres in complete Riemannian manifolds of non-positive curvature, Thai Journal of Mathematics, 5 (2007) no. 3, special issue, 147-154.

4. A. Sama-Ae and C. Maneesawarng, Geometry of curves on spheres in CAT(K) spaces, Southeast Asian Bulletin of Mathematics, (2008) 32, 759-770.

5. C. Maneesawarng, Length estimate for curves in circumballs, to appear.

6. Y. Lenbury and C. Maneesawarng, Parameter Space Classification of Solutions to a Model for the Cortisol Secretion System in Normal Man, in Biomedical and Life Physics, Dhanjoo N. Ghista (Ed.) (Vieweg Publishing House, Weisbaden, Germany).

7. Y. Lenbury and C. Maneesawarng, Parameter Space Classification of Solutions to a Model for the Cortisol Secretion System in Normal Man, in The 2nd Gauss Symposium: International Conference in Medical Physics and Mathematics., Munich, Germany. August 2-6, 1993. 56.