Esguerra, C. J., & Punzalan, A. E. (1983). Student difficulties in understanding the mole concept. Science Education Center, University of the Philippines.
Chicago Style (17th ed.) CitationEsguerra, Clementina J., and Amelia E. Punzalan. Student Difficulties in Understanding the Mole Concept. Quezon City: Science Education Center, University of the Philippines, 1983.
MLA (9th ed.) CitationEsguerra, Clementina J., and Amelia E. Punzalan. Student Difficulties in Understanding the Mole Concept. Science Education Center, University of the Philippines, 1983.
Warning: These citations may not always be 100% accurate.