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This website adopts the Web Content Accessibility Guidelines (WCAG 2.0) as the accessibility standard for all its related web development and services. WCAG 2.0 is also an international standard, ISO 40500. This certifies it as a stable and referenceable technical standard. 

WCAG 2.0 contains 12 guidelines organized under 4 principles: Perceivable, Operable, Understandable, and Robust (POUR for short). There are testable success criteria for each guideline. Compliance to these criteria is measured in three levels: A, AA, or AAA. A guide to understanding and implementing Web Content Accessibility Guidelines 2.0 is available at: https://www.w3.org/TR/UNDERSTANDING-WCAG20/

Accessibility Features

Shortcut Keys Combination Activation Combination keys used for each browser.

	Chrome for Linux press (Alt+Shift+shortcut_key) 
	Chrome for Windows press (Alt+shortcut_key) 
	For Firefox press (Alt+Shift+shortcut_key) 
	For Internet Explorer press (Alt+Shift+shortcut_key) then press (enter)
	On Mac OS press (Ctrl+Opt+shortcut_key)

	Accessibility Statement (Combination + 0): Statement page that will show the available accessibility keys. 
	Home Page (Combination + H): Accessibility key for redirecting to homepage. 
	Main Content (Combination + R): Shortcut for viewing the content section of the current page. 
	FAQ (Combination + Q): Shortcut for FAQ page. 
	Contact (Combination + C): Shortcut for contact page or form inquiries. 
	Feedback (Combination + K): Shortcut for feedback page. 
	Site Map (Combination + M): Shortcut for site map (footer agency) section of the page. 
	Search (Combination + S): Shortcut for search page. 

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Republic of the Philippines

Philippine Journal of Science

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Editorial Board

Editorial Board

Editorial Board PJS 150 No4 Aug 2021

We are currently migrating to a new system, older issues will be available soon. Thank you for your continued support.

Other Articles

Extensions to the Su-Schrieffer-Heeger Model: Linear Chains and Their Topological Properties
Pyrodinium bahamense var. compressum Böhm Survival in High and Low Cadmium Levels
Preliminary Report of the Gastrointestinal Helminths of Rhinella marina (Anura: Bufonidae) in Metro Manila, Philippines
In Silico Genome Mining of Nodosilinea sp. PGN35 and Chlorogloeopsis sp. ULAP02 Revealed Biofertilizer-essential Genes
Association of Omentin rs2274907 Gene Polymorphism and Its Protein on the Risk of Obesity and Metabolic Disorder in Thai Children
Raindrop Size Distribution (RSD) Characteristics during the Southwest Monsoon Period in Western Luzon, Philippines
Optimizing and Determination of Natural Bio-catharantin Mutagen in Polyploidization of Triploid Lembah Palu Shallot (Allium wakegi Araki)
Insecticidal Potential of Streptomyces spp. against Dengue Mosquito, Aedes aegypti Linn. (Diptera: Culicidae)
Evaluation of Growth and Biomass Productivity of Marine Microalga Nannochloropsis sp. Cultured in Palm Oil Mill Effluent (POME)
Range Extensions of Endemic Butterflies in Western Mindanao, Philippines