| Calcium carbonate precipitation induced by ureolytic bacteria Bacillus licheniformis FM Helmi, HR Elmitwalli, SM Elnagdy, AF El-Hagrassy Ecological Engineering 90, 367-371, 2016 | 91 | 2016 |
| Antibiotic extraction as a recent biocontrol method for Aspergillus niger and Aspergillus flavus fungi in ancient Egyptian mural paintings FM Helmi, HR Elmitwalli, MA Rizk, AF Hagrassy Mediterranean Archaeology and Archaeometry 11 (2), 1-7, 2011 | 16 | 2011 |
| Use of geomechanical research in the conservation of stone monuments (Maadi Town Temple, Fayoum, Egypt) HRA Joanna Pinińska Geological Quarterly 47 (No 1), 1-12, 2003 | 16 | 2003 |
| Biomineralization Consolidation of Fresco Wall Paintings Samples by Bacillus sphaericus FM Helmi, HR Elmitwalli, SM Elnagdy, AF El-hagrassy Geomicrobiology Journal 33 (7), 625-629, 2016 | 8 | 2016 |
| Geomechanical study of building materials of the Hawara pyramid (fayoum, Egypt). ): J Pinińska, H El-Metwalli Geologija, pS126-S130. 5p. 5 Color Photographs, 1, 2008 | 8 | 2008 |
| Characterization and conservation of Seti-I temple stone, Abydous, Upper Egypt FM Helmi, R Attia Hemdan 8th= eighth international congress on deterioration and conservation of …, 1996 | 5 | 1996 |
| ASSESSMENT OF SOME GREEN FUNGICIDES AGAINST FUNGI ISOLATED FROM DIFFERENT HERITAGE SITES AND MUSEUMS IN EGYPT PSYE Nabil Mabrouk1*, Younes Rashad2 , Hemdan Elmitwalli1 , Yasser Shabana3 SCIENTIFIC CULTURE 9 (No. 3), 101 - 112, 2023 | 4 | 2023 |
| ANALYTICAL ASSESSMENT OF SOME ESSENTIAL OILS AGAINST COMMON FUNGI ISOLATED FROM EGYPTIAN HERITAGE PART I: TEXTILES AND OIL PAINTINGS NM Yosr Elsayed1*, Yasser Shabana2 , Hemdan Elmitwalli1 , Younes Rashad3 ... SCIENTIFIC CULTURE 9 (3), 113 - 125, 2023 | 2 | 2023 |
| Mechanical and thermal weathering problems of the Maadi Town Temple, Fayoum, Egypt AHR Pininska J. The 9th International Congress on Rock Mechanics. Paris, 1999 | 1 | 1999 |
| The story of the Egyptian museum in asbakya HEMR Marwa Elfar Shedt 9, 1:9, 2022 | | 2022 |
| ANALYTICAL STUDY OF TWO LACQUER OBJECTS FROM MUSEUM OF FACULTY OF APPLIED ARTS, HELWAN UNIVERSITY, GIZA - EGYPT The 5thinternational conference of Science and Technology for protecting the …, 2014 | | 2014 |
| “Electromagnetic Waves as a New Technique for Controlling Aspergillus Niger Fungus in Ancient Egyptian Mural Paintings. The 4th International conference of Science and technology to protect the …, 2009 | | 2009 |
| “A study of Sarcophagi Discovered in Tal El Deer for their Restoration and conservation, Damietta, Egypt. HR ELMITWALLI The 4th International conference of Science and technology to protect the …, 2009 | | 2009 |
| Study of the Building materials of Maadi Town Temple, Fayoum, Egypt The international Conference of the Non-destructive Methods Used in the …, 1998 | | 1998 |
