Koroch, A., Simon, J. E., Hitimana, N., Daka, A., Ranarivelo, L., & Langenhoven, P. (2006). Quality of Geranium Oils (Pelargonium Species): Case Studies in Southern and Eastern Africa. Journal of essential oil research, 18.
Langenhoven, P. (2004). Yield and quality response of hydroponically grown tomatoes (Lycopersicon esculentum Mill.) to nitrogen source and growth medium. Stellenbosch: Stellenbosch University.
Jefthas, E., Goliath, J., Smith, M., Langenhoven, P., Acquaye, D., Juliani, R., . . . Brown, J. (2002). Quality assurance and quality control for African natural plant products from the ground up. ASHS Press, Alexandria, VA, 93–97.
Jefthas, E., Langenhoven, P., Smith, M., Renaud, E., Juliani, R., Wang, M., . . . Tannous, P. (2002). Challenges and Tribulations in the Commercialization of New Crops: Aromatic and Medicinal Plants. The Korean Society of Medicinal Crop Science, 10(4), 303–313.
Agenbag, G. A., Langenhoven, P., Jacobs, G., & Marais, E. M. (2001). Anatomical and compositional changes during fruit development of ‘Galia’melons. Taylor & Francis, 18(1), 7–14. doi:10.1080/02571862.2001.10634393
Langenhoven, P. (2000). First Report of Botrytis Blight, Caused by Botrytis cinerea, on Hibiscus in South Africa. Plant Disease, 84(4), 487.
Langenhoven, P., & Behe, B. (n.d.). Characteristics of the U.S. Market for Melons. Manuscript submitted for publication.
Langenhoven, P. (in press). Colored Sweet Pepper Cultivar Evaluation for High Tunnel Production in West-Central Indiana, 2018.
Langenhoven, P. (in press). Zucchini Cultivar Evaluation for Production in West-Central Indiana, 2018.
Guan, W., Egel, D. S., Torres Bravo, A. P., & Deering, A. J. (2018). Effect of Growing Systems on the Production of Specialty Cantaloupes (Cucumis melo L.) in Indiana. Amer. Soc. For Hort. Sci.