Haroutunian E. A, Shahumyan H. A “A Statistical Approach to Determination of Republic of Armenia Population Migration”. Proceedings of International Conference of Computer Science and Information Technologies, pp. 466-469, Yerevan, 1999.

Haroutunian E. A, Shahumyan H. A. “A Statistical Indirect Method for Demographic Structure Estimation”. Proceedings of International Conference Statistics, Development and Human rights, IAOS,  Montreux, Switzerland,2000.

Haroutunian E., Shahumyan H. “In the Conference on Statistics, Development and Human Rights”, (in Armenian). Azg, 205, Yerevan, 2000.

Haroutunian E., Kazanchyan N., Asatryan D., Haroutynian M., Sahakyan M., Shahumyan H. “Probability and Applied Statistics”, (textbook for graduate and post-graduate students). Gitutiun Publishing House of NAS of RA, 300 p., Yerevan, 2000.

Haroutunian E. A, Shahumyan H. A. “Demographic Structure Estimation by Mortality Rate Alteration”. Transactions of the Institute for Informatics and Automation Problems of NAS RA and YSU: Mathematical Problems of Computer Science, XXI, pp. 91-96, Yerevan, 2000.

Sagoyan I., Stambolcyan E., Markaryan N., Egiazaryan L., Haroutunian E., Shahumyan H. “The Dynamic of Morbidity And Mortality of Tuberculosis in Armenia (1980-2000)”, (in Russian). Proceedings of Military-Medical Conference, pp. 99-108, Yerevan, 2001.

Shahumyan H. A., Baghdasaryan N. G., Haroutunian E. A. “On the Most Informative Indices Selection Method”. Transactions of the Institute for Informatics and Automation Problems of NAS RA and YSU: Mathematical Problems of Computer Science, XXII, pp. 64-69, Yerevan, 2001.

Shahumyan H. A. “Package "SIFAnalysis" on Testing Sequences Homogeneity and Computing Information Distances”. Transactions of the Institute for Informatics and Automation Problems of NAS RA and YSU: Mathematical Problems of Computer Science, XXII, pp. 80-85, Yerevan, 2001.

Shahumyan H. A., Baghdasaryan N. G., Haroutunian E. A. “On Reduction of Variables Space Dimensionality by Selection of the Most Informative Indices”. Proceedings of International Conference of Computer Science and Information Technologies, pp. 237-240, Yerevan, 2001.

Haroutunian E. A, Shahumyan H. A. “The Investigation of Population Alteration in Armenia”, (in Armenian). Transactions of the Institute of Economical Researches, Social-Economical Reforms in Republic of Armenia During 10 Years of Independence,  pp. 196-201, Yerevan, 2002.

Shahumyan H. A., Haroutunian E. A. "Armenian Statistical Web Lab". Proceedings of ISI 54rd Session, Berlin, Germany, 2003.