Volume & Issue: Volume 57, Issue 1, May 2017, Pages 1-275 
Air microbial contamination and factors affecting its occurrence in certain book libraries in Egypt.

Pages 93-118

Mohamed El-Sayed Osman; Abdel Hameed Abdel Hameed Awad; Yasser Hassan Ibrahim; Youssef Fawzy Ahmed; Amany Abo-Elnasr; Yuosra Saeed


Size distribution of some endangered plant species, Al-Jabal Al-Akhdar, Libya.

Pages 181-197

Hosny Abd El-Aziz Mosallam; Ahmed Hashim Mohamed; Salah Salem Sergiwa; Mabrooka Abd-Allah Gibreel


Morphological VariabilityAmong Moringa oleifera (Lam.) Populations in Egypt.

Pages 241-257

Ahmed Abdelrazek Mobarak; Kamal Shaltout; Hussein Ibrahiem Ali; Dina Baraka; Sadia Aly