Development of Chalk from Selected Herbs as Cockroach (Periplaneta americana) Repellents

The World Health Organization (WHO) estimates that there are 3 million cases of pesticide poisoning each year and up to 220,000 deaths primarily in developing countries. Commercial repellents and pesticides, aside from being expensive, also contain chemicals that, when ingested, may pose further thr...

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Bibliographic Details
Main Author: Raphael Kevin Nagal
Format: Article
Language:English
Published: Philippine Association of Institutions for Research, Inc. 2019-01-01
Series:JPAIR
Subjects:
Online Access:https://philair.ph/index.php/jpair/article/view/654