共 123 条
- [1] Afandi W., 2017, International Journal of Business and Social Science, V6, P48
- [6] Alghamdi H. A., 2018, SERVICE DRIVEN METHO
- [7] ESTIMATING NONRESPONSE BIAS IN MAIL SURVEYS [J]. JOURNAL OF MARKETING RESEARCH, 1977, 14 (03) : 396 - 402
- [8] THE PROBABILITY FUNCTION OF THE PRODUCT OF 2 NORMALLY DISTRIBUTED VARIABLES [J]. ANNALS OF MATHEMATICAL STATISTICS, 1947, 18 (02): : 265 - 271
- [10] Bahli B, 2005, J INF TECHNOL EDUC-R, V4, P97