1. Borovska, T.M., Vernigora, I.V., Grishin, D.I., Severilov, V.A., Gromaszek, K., Aizhanova, A.: Adaptive production control system based on optimal aggregation methods. In: Proceedings of the SPIE 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 108086O, 1 October 2018).
https://doi.org/10.1117/12.2501520
2. Borovska, T., Vernigora, I., Kolesnyk, I., Kushnir, A.: Control of multi-channel multiphase queuing system based on optimal aggregation methodology. In: Proceedings of the 13th International Scientific and Technical Conference «Computer science and information technologies» CSIT 2018, Lviv, Ukraine, 11–14 September 2018, vol. 1, pp. 259–265. Publishing House «Vezha and Ko», Lviv (2018). ISBN 978-1-5386-6463-6
3. Borovska, T.M.: Mathematical models of functioning and development of production systems based on optimal aggregation methodology. VNTU, Vinnitsa, Ukraine, 308. ISBN 978–966–641–731–5
4. Krishnamurthi, P.: Product lining and price lining (2007).
http://fmcg-marketing.blogspot.com/2007/10/product-lining-and-price-lining.html
. Accessed 20 Mar 2016
5. Hanks, G.: Examples of a product line extension (n.d.).
http://smallbusiness.chron.com/examples-product-line-extension-69425.html
. Accessed 20 Mar 2016