Lau , L. (2006). Записки Горного института, 167(2), 345-349. извлечено от https://pmi.spmi.ru/pmi/article/view/8044

Lau , L. (2006). Integrated management systems (IMS) according to iso and other international management standards. Journal of Mining Institute, 167(2), 345-349. Retrieved from https://pmi.spmi.ru/pmi/article/view/8044