Goonetilleke, L.A., Jansz, E.R., Balachandran, S. and Vivekanandan, K., 1980. Studies on the Pinus species growing in Sri Lankan plantations. IV. Composition of oleoresin and turpentine of Pinus patula and Pinus caribaea of the Kottawa plantation. Journal of the National Science Foundation of Sri Lanka, 8(2), pp.161–165.

Goonetilleke LA, Jansz ER, Balachandran S, Vivekanandan K. Studies on the Pinus species growing in Sri Lankan plantations. IV. Composition of oleoresin and turpentine of Pinus patula and Pinus caribaea of the Kottawa plantation. Journal of the National Science Foundation of Sri Lanka. 1980;8(2):161–5.

Goonetilleke, L. A., Jansz, E. R., Balachandran, S., & Vivekanandan, K. (1980). Studies on the Pinus species growing in Sri Lankan plantations. IV. Composition of oleoresin and turpentine of Pinus patula and Pinus caribaea of the Kottawa plantation. Journal of the National Science Foundation of Sri Lanka, 8(2), 161–165.

1. Goonetilleke LA, Jansz ER, Balachandran S, Vivekanandan K. Studies on the Pinus species growing in Sri Lankan plantations. IV. Composition of oleoresin and turpentine of Pinus patula and Pinus caribaea of the Kottawa plantation. Journal of the National Science Foundation of Sri Lanka. 1980;8(2):161-165.

Goonetilleke LA and others, ‘Studies on the Pinus Species Growing in Sri Lankan Plantations. IV. Composition of Oleoresin and Turpentine of Pinus Patula and Pinus Caribaea of the Kottawa Plantation’ (1980) 8 Journal of the National Science Foundation of Sri Lanka 161

Goonetilleke, L. A., E. R. Jansz, S. Balachandran, and K. Vivekanandan. 1980. “Studies on the Pinus Species Growing in Sri Lankan Plantations. IV. Composition of Oleoresin and Turpentine of Pinus Patula and Pinus Caribaea of the Kottawa Plantation”. Journal of the National Science Foundation of Sri Lanka 8 (2): 161–65.

Goonetilleke, L. A., E. R. Jansz, S. Balachandran, and K. Vivekanandan. “Studies on the Pinus Species Growing in Sri Lankan Plantations. IV. Composition of Oleoresin and Turpentine of Pinus Patula and Pinus Caribaea of the Kottawa Plantation”. Journal of the National Science Foundation of Sri Lanka 8, no. 2 (1980): 161–65.

Goonetilleke, L A, et al.. “Studies on the Pinus species growing in Sri Lankan plantations. IV. Composition of oleoresin and turpentine of Pinus patula and Pinus caribaea of the Kottawa plantation”. Journal of the National Science Foundation of Sri Lanka, vol. 8, no. 2, 1980, pp. 161–65.