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Youm, O and Owusu, E O (1998) Assessment of yield loss due to the millet head miner, Heliocheilus albipunctella (Lepidoptera: Noctuidae) using a damage rating scale and regression analysis in Niger. International Journal of Pest Management, 44 (2). pp. 119-121.
Youm, O and Owusu, E O (1998) Farmers' perceptions of yield losses due to insect pests and methods for assessment in pearl millet. International Journal of Pest Management, 44 (2). pp. 123-125.
Owusu, E O and Youm, O and Maliki, Y and Hall, D R and Green, S V (2004) Observations on factors affecting attraction and oviposition preferences of the millet head miner Heliocheilus albipunctella to pearl millet panicles. International Sorghum and Millets Newsletter, 45. pp. 72-74.