Oil Palm Bulletin No.83 (November 2021) p15-22
Comparison of Single and Repeated Bacillus thuringiensis (Bt) Applications in Controlling Multi-stage Outbreaks of Pteroma pendula (Lepidoptera: Psychidae) in Perak
Noorhazwani Kamarudin1; Siti Nurulhidayah Ahmad1; Mohamed Mazmira Mohd Masri1; Nur Robaatul Adhawiyah Mohd Ali Napiah1 and Mohd Fahmi Keni1

Oil Palm Bulletin No. 63 (November 2011) p24-32
Pest management of bagworm in Southern Perak by aerial spraying with bacillus thuringiensis
MOHD MAZMIRA Mohd Masri , SITI RAMLAH Ahmad Ali , NAJIB, M.A. , NORMAN Kamaruddin , AHMAD KUSHAIRI Din , MOHD BASRI Wahid