1. 5-aminolevulinic acid from photosynthetic bacteria and its applications
Amornrat Tangprasittipap, and Poonsuk Prasertsan

2. Acknowledgments of reviewers for songklanakarin j. sci. technol., vol. 24
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3. Authors index of songklanakarin j. sci. technol., vol. 24
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4. Chromosome numbers of some flowering plants (จำนวนโครโมโซมของพืชมีดอกบางชนิด)
Ladda Eksomtramage, Saijai Jornead, Chutarat Junsui, Roong-aroon Varitikorn, and Khanuengnit Pholphrugsa

5. Chronic toxicity study of curcuminoids in rats
Pranee Chavalittumrong, Songphol Chivapat, Sadudee Rattanajarasroj, Somkiat Punyamong, Anchalee Chuthaputti, and Chada Phisalaphong

6. Comparison of breaker height formulas using large-scale wave tanks
Winyu Rattanapitikon, and Thirapat Vivattanasirisak

7. Effect of antibiotic cefotaxime and kanamycin on callus formation and plantlet regeneration from leaves
callus of mangosteen - Sompong Te-chato, Witool Chaiparkdee, and Rerm-a-run Rugpheug

8. Effect of cutting height and time on seed yield and seed quality of stylosanthes guianensis ciat 184
Krailas Kiyothong, Chureerat Satjipanon, and Pimpaporn Pholsen

9. Effect of cutting time on seed yield and seed quality of andropogon gayanus cv. kent
Krailas Kiyothong, Chureerat Satjipanon, and Opas Rodchompoo

10. Effect of variety and explant on callus formation and micropropagation of anthurium
Sompong Te-chato, Samatchar Naksombut, and Jaruwan Boonsiri

11. Fish immunostimulants (สารกระตุ้นภูมิคุ้มกันปลา)
Chanagun Chitmanat

12. Heritabilities and correlations for late leafspot resistance and agronomic traits in peanut (arachis hypogaea l.)
Thinnakorn Kormsa-art, Sanun Jogloy, Sopone Wongkaew, and Kamol Lertrat

13. Key words index of songklanakarin j. sci. technol., vol. 24
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14. Letter to editor
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15. Long-term consumption of polysaccharide gel from durian fruit-hulls in mice
Sunanta Pongsamart, Achara Tawatsin, and Suchada Sukrong

16. Potential building sand deposits in songkhla province area
Danupon Tonnayopas, Somchai Chaisen, and Kalayanee Kooptarnond

17. Rate and causes of preweaning mortality of thai-native and anglo-nubian cross-bred kids
Surapol Choldumrongkul, Surasak Kochapakdee, Somkiat Saithanoo, Apichart Lawpetchara, and Winai Pralomkarn

18. Recycled gloves as a filler
Orasa Patarapaiboolchai, Tulyapong Tulayapitak, and Ittisak Sriwang

19. Some aspects in early life stage of sand goby, oxyeleotris marmoratus larvae
Thumronk Amornsakun, Wasan Sriwatana, and Uraiwan Chamnanwech

20. Time of mating after buck introduction and incidence of oestrus during pregnancy
Somkiat Saithanoo, Surasak Kochapakdee, Surapol Choldumrongkul, Apichart Lawpetchara, and Winai Pralomkarn

21. Treatment of effluent from intensive culture of black tiger shrimp (penaeus monodon fabricius)
Prateep Songkeao, Sommai Chiayvareesajja, and Saowapa Angsupanich

22. Yogurt the fermented milk
Nathanon Trachoo