Keywords = کفاءة إنتاج
| Number of Articles: 1 | ||
| 1 | The effectiveness of R&D in improving the efficiency of manual glass production | |
| Volume 10, Issue 2, April 2020, Page 321-331 | ||
| Hadeel Salem; Ola ِAl Sabbah; Hossam Hosny | ||
| Number of Articles: 1 | ||
| 1 | The effectiveness of R&D in improving the efficiency of manual glass production | |
| Volume 10, Issue 2, April 2020, Page 321-331 | ||
| Hadeel Salem; Ola ِAl Sabbah; Hossam Hosny | ||
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