- Judenko, E., C. Shanmugan, and H. N. Hasselo. 1962. Field experiments on the chemical control of shot-hole borer (Xyleborus fornicatus Eichh) on tea soon after pruning. Tea Quarterly 3369-87.
- Samarakoon, H. H., and C. Shanmugan. 1967. Levels of aldrin, diedrin and heptachlor for shot-hole borer control in new clearings at Balangoda Group, Balangoda. 86.
- Shanmugan, C. 1967a. Aldrin, dieldrin and heptachlor for shot-hole borer control in new clearings at Carolina Group, Watawala. 86.
- Shanmugan, C. 1967b. Dieldrin spray volume at Beaumont Estate, Pussellawa, 1965. 82.
- Shanmugan, C. 1967c. Heptachlor at 2 levels and dieldrin for shot-hole borer control at Goorookoya Estate, Newalapitiya. 84.
- Shanmugan, C., and S. N. Fernando. 1967. Birlane, unden, bidrin, sumithion, vapona, and nickel chloride for shot-hole contro at Deltotte Group, Deltota. 85.