Philippine E-Journals 
vol. 18, no. 2 (2009)
Southeastern Philippines Journal of Research and Development
Description
The Southeastern Philippines Journal of Research and Development (SPJRD) is a semi-annual publication of the Research Division of the University of Southeastern Philippines.
Table of contents
Front Matter
About the Author
Articles
The Teaching of Earth Science: A Shift Towards Constructivism
Helen B. Pondevida | Christopher C. Gonzales | Marnie Grace I. Sonico
Child Labor Among Agricultural Families Displaced by Armed Conflicts in Midsayap, North Cotabato
Ed D. Cruz | Arboy Encabo
Profile of Mangrove Forest Along Davao Gulf, Tagum City
Leonila P. Galerio | Carmelita P. Martinez
Banana Fertilization at the Plantation : Evaluation of Soil and Leaf Analysis Results
Ma. Asuncion L. Salibay | J.a. Salomez
Conversion of Direct-Fired to Steam-Jacketed Cooking Kettle in Manufacturing Jack ‘N Jill Products of Universal Robina Coporation—Davao
Dennis G. Rebuta
Epidemiology of Black Sigatoka of Banana Caused by Mycosphaerella fijienis Morelet: I. Climactic Factors Critical to Pathogen Sporulation and Disease Progression.
Reshielo Ordoyo | Lourdes C. Generalao | Virgie P. Ugay | Belly T. Dionio | Avelino D. Raymundo
Optimizing the Soil Auger Blade on Clay Loam Soil
Roger C. Montepio
Solid Waste Management Practices of Davao City
Romel V. Gador
Job Satisfaction Level of Technology Teacher Education Graduates of the University of Southeastern Philippines
Joel G. Ayon
Foreword
Foreword